Clapr Blog

Gmail 50MB Attachment Limit in Workspace: The Web-Only Catch

Gmail's 50MB attachment limit is Enterprise Plus only, and Google's own footnote says it works only on the web version of Gmail. Here is the full table.

OBS Lossless Recording File Size: About 7 GB Per Minute

OBS puts a real number on its Lossless preset — around 7 GB per minute — plus a CPU-encoder clause nobody quotes. Here is what both actually mean.

Shotcut's Default Export Preset: What Quality Is It?

Shotcut's User Guide calls the Default export preset high quality; the FAQ calls it moderate quality. Here is what the official pages actually say.

Shotcut Export Subtitles as VTT? It Exports SRT Only

Shotcut imports SRT, VTT, ASS and SSA subtitles but exports only SRT. What the official guide actually says, and how to get a WebVTT file anyway.

Slack Free Plan Storage Limit: What Is Actually Documented

Slack's free plan storage limit is documented as a 90-day visibility window and deletion at one year, not a quota. Where the 5GB figure comes from.

Teams Chat File Size Limit: 100 MB or 250 GB?

Microsoft's own limits page lists 100 MB in the Chat table and 250 GB in the Storage table. Here is where each number sits and which one to plan around.

Telegram Supported Video Formats: What Actually Plays

Telegram accepts files of any type, but only some play as video. What the official docs say about MPEG4 and H.264/H.265/AV1 — and the grey-file-icon fix.

Audacity OGG Imports at 16-Bit: Why, and the One Fix

Audacity always imports OGG at 16-bit, whatever your Default Sample Format says. Here is the manual's reason, and the one documented route to 32-bit.

iPhone ProRes External SSD Requirements: Apple's Exact Specs

Apple's exact requirements for recording ProRes to an external SSD: 220 and 440 MB/s write speeds, exFAT, USB 3, and the reformat rule.

Can You Upload a Subtitle File to Loom? No — Here's Why

Loom's docs say users can't upload external subtitle files. Here's what that blocks, what you can still export, and how to get captions onto the video anyway.

OBS Recording Format for Multiple Audio Tracks

OBS suggests MKV for multi-track audio and names FLV as single-track only. Here is the official container and codec table, and the numbers OBS never publishes.

Zoom Recording Low Resolution? Why It Records at 360p

Zoom's own resolution table makes 360p the default for recorded video. Here is what has to be true to get 720p or 1080p, and what caps you lower.

Audacity Surround Sound Export: Multichannel Limits

Audacity exports up to 32 channels to WAV, AIFF or OGG but only 8 to FLAC — and the manual's own M4A row contradicts its own footnote. Here is what it says.

Google Drive Supported Video Formats: The Two Official Lists

Google Drive publishes two supported video format lists and they disagree. What each one says, codecs included, and what to do if yours is missing.

How Big Are iPhone ProRes Files? What Apple Actually Says

Apple gives one size figure for ProRes: files are up to 30 times larger than HEVC. Here is what that ceiling really means, plus the 10 percent rule.

Loom Video Too Large to Download? The 20GB Ceiling

Loom will not download videos over 20GB — about 3 hours in 4K by its own maths. Here is what that cap covers and why it is not the 4GB upload limit.

How Many Audio Tracks Can OBS Record? Six, With a Source

OBS records up to 6 audio tracks — a figure with an official source, not forum folklore. Here is where the ceiling lives and which container keeps it.

Premiere Pro: Mercury Playback Engine Software Only Missing

Adobe removed software rendering from Project Settings in Premiere 25.2 and later. Which platforms it affects, and what the greyed-out Renderer menu means.

Slack Clip Length Limit: Five Minutes, and What Happens After

Slack caps clips at five minutes on every plan. On a free workspace, files hide once the workspace hits its visibility limit, and go after one year.

VLC Supported Formats: What It Plays vs What It Saves

VLC's input format list runs to dozens of codecs. Its documented output muxer list has eight entries. Here is the gap, why it exists, and how to check it.

X Video Frame Rate Limit: Is It 40 fps or 60 fps?

X's help center caps web video uploads at 40 fps. X's developer docs say 60 FPS. Both are official. Here is every published number and the scope it applies to.

YouTube Shorts Video Specs: Every Number, With Its Source

YouTube publishes five specs for Shorts, and a file size limit is not one of them. Here is each number, the page it comes from, and what is invented.

Audacity M4A Bitrate Options: The Full Range, Officially

Audacity's M4A (AAC) export runs from 98 to 320 kbps, but the numbers split by channel count — and one end of the range is missing from the manual.

DaVinci Resolve Export File Too Big: What You Can Control

DaVinci Resolve gives you no target file size — only a maximum data rate and a constant bitrate switch. Here is what each control officially does.

HandBrake WebM Output: The Limits, and Why It's So Slow

HandBrake's WebM output takes only VP8, VP9 or AV1 video and Vorbis or Opus audio, and no soft subtitles. Here is what that costs you on every encode.

Instagram Reels Video Specs: What Instagram Really Says

Instagram publishes three sets of Reels specs — app, API and ads — and they disagree. Here is each with its source, and why 1080x1920 is in none of them.

Instagram Story Video Length Limit: 60 Seconds, With a Catch

Instagram's documented story video limit is 60 seconds and 100MB — in Meta's API spec. Here is the full spec, its scope, and how it differs from Reels.

Instagram Video Aspect Ratio: Every Official Range

Instagram publishes six aspect ratio ranges across app, API and ads. Here is each with its source, and which ones apply to video at all.

Shotcut 10-Bit Export: Why the Hardware Encoder Drops Out

Shotcut's release notes say no H.264 hardware encoder supports 10-bit. What that means for your export speed, and which encoders do have 10-bit fixes.

Teams Video Transcript Size Limit: Is It 1GB or 4GB?

Microsoft's own page states two sizes for automatic video transcripts, 1GB and 4GB. Here is which one to plan around and why long meetings land between them.

Telegram Local Bot API Server: File Size Limits, Exactly

A local Telegram Bot API server moves file size limits in two directions at once — downloads become uncapped, uploads cap at 2000 MB. The documented list.

X (Twitter) Video Resolution and Aspect Ratio Limits

X publishes two different sets of video resolution and aspect ratio limits — one for web uploads, one for the API. Here is each set and what it covers.

Can You Upload WebM to X (Twitter)? What the Docs Say

X's API lists video/webm, Media Studio accepts only .MP4 and .MOV, and the help center lists no formats at all. Here is what each page actually covers.

Why Is My Video Not Showing as a Short? YouTube's Real Rule

YouTube classifies Shorts by square or vertical aspect ratio and up to three minutes in length. Not 9:16. Here is the exact wording and the cutoff dates.

Zoom Separate Audio File Per Participant: 200 or 80?

Zoom's own docs give two caps for per-participant audio recording — 200 speakers on the cloud page, 80 on the desktop page. Here is what each one covers.

Audacity Default MP3 Bitrate: 128 or 170-210 kbps?

Audacity's manual gives two different default MP3 bitrates on two pages. Here is which one your export really uses, and where 128 kbps comes from.

CapCut Cloud Storage Limit: 0GB Free, 100 GB on Pro

New CapCut cloud spaces get 0GB free, which is why the app shows 1KB. The official numbers for Pro, Teams, expansion packs and the 3,000 GB ceiling.

CapCut WebM Support: What CapCut's Own Pages Say

CapCut's help center format table leaves WebM out. CapCut's own converter page lists it. Both URLs, what each one covers, and what to do before importing.

Discord Audio File Size Limit: What Actually Applies

Discord publishes no separate cap for audio. MP3, WAV, FLAC and the rest go through the same per-file attachment limit — here is how it is measured and what to do.

Discord Nitro File Size Limit: 500MB, and It Doesn't Stack

Nitro lifts per-file uploads to 500MB, Nitro Basic to 50MB. Here is how that meets a server's Boost tier — the larger of the two wins, never the sum.

Google Drive Max Video Playback Resolution: 1920 x 1080

Drive plays video at a maximum of 1920 x 1080 but accepts uploads at any resolution. What that means for 4K files, and what Google's docs never say.

Instagram Reels Resolution: What Instagram Actually Says

Instagram's help centre publishes one resolution number for reels — a 720-pixel minimum. Here is where 1080x1920 really comes from and what to export.

Loom Supported Video Formats: The Official Upload List

Loom's own table lists MV, AVI, WEBM, MP4, MOV up to 4GB. Here is that list verbatim, the 4GB or 12-hour ceiling, and what to do with a rejected file.

Shotcut Export to GIF: What the Official Docs Cover

Shotcut's only official GIF export source is two release notes. What they say, what the guide leaves out, and a browser route to a finished GIF.

Slack Video File Size Limit: 1GB, and What It Isn't

Slack caps file uploads at 1GB and publishes no video-specific limit. How that differs from the five-minute clip rule, and what Slack never documents.

Telegram Bot File Size Limit: 50 MB Up, 20 MB Down

A Telegram bot can send a 50 MB file but only download a 20 MB one, and file_id has no limit at all. Here is the full matrix, quoted from the Bot API docs.

Telegram Story Video Requirements: 720x1280, H.265, 30 MB

Telegram's story video spec — 720x1280, H.265, MPEG4, key frame every second, 30 MB, 0-60 seconds — applies to the Bot API. Full spec, with scope.

VLC Convert Video to GIF: What the Official Docs Say

VLC's official container, muxer and encoder lists contain no GIF entry. Here is what that does and does not mean, and the reliable way to get a GIF.

YouTube Daily Upload Limit: Why There Is No Public Number

YouTube limits uploads per 24 hours but never publishes a number. Here is the official wording, what changes your allowance, and what to do next.

Zoom Cloud Recording File Limit: The 150-File Cap

Zoom caps one live session at 150 cloud recording files. Here is what counts toward it, the official way to reset the count, and the limits Zoom never states.

Audacity Supported File Formats: What Works Without FFmpeg

Audacity ships with WAV, AIFF, Ogg Vorbis, FLAC and MP2 support. Here is where MP3 fits, what needs FFmpeg, and where two official pages disagree.

CapCut 4K Export Requirements on Mac and Windows

CapCut's two official help pages list different minimum macOS versions for 4K export. Here is what each one requires on Mac and Windows, and which to follow.

Discord Server Boost Upload Limit: What Each Level Gives You

Level 2 Boosts raise a server's upload limit to 50MB and Level 3 to 100MB — but only inside that server, and Level 1 raises nothing at all. Every number here has an official source.

Gmail Send vs Receive Attachment Size Limit, Explained

Gmail's send and receive attachment limits are different numbers, measured differently — and one of them Google never published. Here is what the docs say.

HandBrake Social 25 MB Presets: What the Guarantee Covers

HandBrake's Social presets promise a file of 25 MB or less, but only up to the duration printed in the preset name. Here is what that condition means.

HandBrake and VTT Subtitles: What the Docs Actually List

HandBrake's documented subtitle sources are VOBSUB, PGS, user supplied SRT and embedded SSA/SRT/CC. VTT is not on that list — here is what to do instead.

Instagram Reels File Size Limit: The Number Isn't Published

Instagram publishes no file size limit for Reels posted in the app. The 300MB figure is API-only and 650MB has no source. Here's what is real.

Does iCloud Photos Compress Videos? What Apple Says

Apple says media shared through iCloud Photos keeps its original format, resolution and frame rate — and says the opposite about AirDrop, Messages and email.

Mail Drop Size Limit on iPhone: 5 GB, 1 TB and 30 Days

Mail Drop sends attachments up to 5 GB against a 1 TB pool, and they expire in 30 days. What each number covers, and what to do when you hit one.

Loom Upload Size Limit: 4 GB or 12 Hours, Whichever Is Less

Loom caps uploads at 4 GB or 12 hours, whichever is less. What that clause really means, why uploads still fail under the cap, and how to get a big file in.

Premiere Pro Export WebM: What Adobe's Format Tables List

Adobe's format tables for Premiere and Media Encoder do not list WebM, VP9 or AV1. Here is what they do list, and the working route to a WebM file.

Teams Recording Expiration: The 120-Day Default Explained

Teams recordings and transcripts expire after 120 days by default. Here is what an admin can change, what nobody can change, and what to do first.

Do X (Twitter) Videos Loop? The 60-Second Rule, Two Ways

X loops short videos, but its two official pages disagree on whether exactly 60 seconds counts. Here is the safe cut point and when a GIF is better.

Downgraded to a Free Zoom Account? Recordings Go in 30 Days

Downgrade a paid Zoom plan to Basic and your cloud recordings are set to be deleted after 30 days. What three official pages say, and what to save first.

Audacity WAV 4GB Limit: Max Length by Bit Depth

Audacity stops WAV exports at 4GB. Here are the official hour-and-minute ceilings for 16, 24 and 32-bit, the second 2GB wall, and the official workaround.

CapCut Supported File Formats: The Official List

CapCut publishes its supported import formats as an image, not text. Here is that table transcribed cell for cell, plus the qualifiers everyone drops.

DaVinci Resolve Supported Export Formats: The Deliver List

Every container format in DaVinci Resolve's Deliver page, quoted from the official manual, plus the three conditions Blackmagic attaches to that list.

Does Discord Support WebM Files? Two Official Answers

Discord's developer docs list .webm as a natively supported video extension. Its help center never mentions WebM. Here is what each source actually covers, and what that means for your file.

Instagram Reels Length Limit: 20 Minutes, 15, or 3?

Instagram documents three different Reels length limits for three ways of posting. Here is each number, its source, and which one applies to you.

Loom Free Plan 25 Video Limit: What Counts Toward It

Loom's Starter plan caps your library at 25 videos, and archived ones still count. What the limit blocks, where Loom's docs disagree, and what to do next.

Premiere Pro Won't Embed Captions in MP4 — Here's Why

Premiere's Embed In Output File option is documented for QuickTime and MXF OP1a, not MP4. Here is what Adobe lists, and how to caption an MP4 anyway.

Slack File Upload Limit: 1GB, With No Per-Plan Tiers

Slack publishes one unconditional upload limit — 1GB per file — and no per-plan table at all. Here is where the 5GB and 50MB figures actually belong.

Teams Caption File Size Limit: The 4MB Upload Cap

Teams refuses caption uploads over 4MB. What that limit covers, why only WebVTT is accepted, and how it differs from the other Teams caption limits.

Teams Video Clip 1 Minute Limit: Why It Stops on Its Own

Teams caps video clips at one minute and ends the recording for you. Here is how that differs from the 4 hour meeting recording limit.

Telegram File Size Limit: 2 GB Free, 4 GB With Premium

Telegram's file size limit is 2 GB, or 4 GB with Premium — but it only applies to the uploader. Here is what a free account can still receive and download.

WordPress.com Storage Space per Plan: The Full Table

WordPress.com storage runs 1 GB free to 50 GB on Business. Here is the official table, the three legacy-account footnotes, and what does not count.

X Premium Video Upload Limit on Android: 10 Minutes

X Premium caps Android video uploads at 10 minutes while x.com and iOS get hours. Here is what X's own pages say, and how to make a long clip fit.

X (Twitter) DM Video Size Limit: 512MB Free, 1GB Premium

X's developer docs give direct messages their own video caps — 140 seconds and 512MB free, 10 minutes and 1GB on Premium. Here is every DM media figure.

YouTube Video Too Large to Upload? What the Limit Really Is

YouTube's cap is 256 GB or 12 hours, whichever is less — not either/or. Here is which ceiling you hit, why verifying won't raise it, and what to do.

Zoom Cloud Recording Storage Limit: What You Actually Get

Zoom includes 10 GB per licensed user on Pro and Business and 15 GB on Business Plus — but it is pooled account-wide. Here is what happens at 100%.

CapCut File Size Limit: What the Official Docs Actually Say

CapCut's help center publishes no import or export file size cap. Here is what it does document, why exports land where they do, and how to hit a target.

DaVinci Resolve Supported Subtitle Formats: Import vs Export

DaVinci Resolve reads .srt, .srtx, .vtt, .xml and .ttml but writes far fewer. Here is what each export path gives you, quoted from the manual.

Is Gmail's 25 MB Limit Per File or Per Email?

Gmail's 25 MB cap applies to your total attachment size in one message, not to each file. Google's exact wording, the Workspace numbers, and what to do.

Loom Creator Lite Recording Limit: Still Stuck at 5 Minutes

Your company pays for Loom and you still get 5 minutes? That is the Creator Lite role, not the plan. What Loom's docs actually say, and what to do.

Premiere Pro Maximum Resolution: Sequence and Import Limits

Premiere caps sequence frame size at 10,240x8,192 and imports at 256 megapixels. Here is what each ceiling covers and what happens when you exceed it.

Shotcut Hardware Encoding: Which Codecs Are Supported?

Shotcut's own guide says hardware encoding is H.264 and HEVC only, then lists AV1 encoders on the next page. Here is what each official source names.

Email a File to a Teams Channel: The 10 MB Attachment Limit

Emailing a Teams channel caps each attachment at less than 10 MB — the tightest of Teams' three upload paths. The official numbers and what to do.

How Big Is a Teams Meeting Recording? 400 MB per Hour

Microsoft puts a one-hour Teams recording at 400 MB. Where that number comes from, what it leaves out, and the 1.5 GB cap that splits long files.

WordPress Multisite Max Upload File Size: The Hidden Cap

WordPress Multisite adds a network-level max upload file size documented at 1500 KB, separate from php.ini. Where it lives and what to do when you hit it.

VideoPress Maximum Upload Size: 6 GB, With Two Catches

VideoPress documents a 6 GB maximum upload size, while WordPress.com calls 2 GB the reliable ceiling. Here is what each number actually covers.

How Long Can a Video Be on X? All Five Official Limits

X's own pages publish five different video length limits — 140 seconds, 20 minutes, 125 minutes, ~3 hours and 4 hours. Here is the scope of each.

Does X (Twitter) Support VTT Subtitles? What the Docs Say

X's API enum lists text/vtt, but X's help centre documents only .srt. Here is what each official page says, and which file to upload today.

Zoom Auto-Delete Cloud Recordings: The Real Timeline

Zoom's auto-delete for cloud recordings runs once a day and adds a 1-day grace period, so a 30-day policy usually deletes later. The official timeline.

CapCut Export Length Limit: What the Docs Actually Say

CapCut's help center publishes no export length cap. The 15-minute figure everyone quotes is a mobile Pro-prompt trigger that varies by region.

DaVinci Resolve H.264 Export: Studio Only? Three Answers

Blackmagic's codec list gives H.264 export three different answers — one for macOS, one for Windows, one for Linux. Here is the verbatim wording for each.

Google Drive's 750 GB Daily Upload Limit, Read Literally

Google documents a 750 GB per-user, 24-hour upload and copy limit for Drive. Here is the exact wording, what it counts, and which help pages it appears on.

iPhone Cinematic Mode 4K Settings and Resolution Limits

Cinematic video records at 1080p 30 fps by default. Here are the exact 4K options Apple documents, where to switch them, and why ProRes is off the table.

iPhone Spatial Video File Size: 130 MB a Minute

Apple puts one minute of spatial video at approximately 130 MB, twice regular 1080p 30 fps video. Where that number comes from and what it excludes.

Premiere Pro VTT Export: WebVTT Is Not in the Menu

Premiere Pro lists caption formats on four official pages, and VTT is on none of them. What each list contains, where they disagree, and how to get WebVTT.

TikTok Video Size Limits: What Is Officially Documented, and What Everyone Is Guessing

Most pages state a TikTok upload limit as fact. TikTok does not publish one for in-app posting. Here is what its own developer documentation actually specifies — size, resolution, frame rate, duration, codecs — and how to hit it.

WordPress.com Video Upload: Which Plan Do You Actually Need?

WordPress.com's own docs give three different plan requirements for uploading video. Here is what each page says, which block it applies to, and what to do.

WordPress upload_max_filesize vs post_max_size: Which Wins?

WordPress uses the smaller of upload_max_filesize and post_max_size. Here is the core source code that proves it, and why raising one alone changes nothing.

Twitter Video File Size Limit: Four Official Numbers

X's help centre says 512MB free and 16GB Premium. Its Premium page, Media Studio page and developer docs say something else. All four numbers, side by side.

Zoom Can No Longer Save Closed Captions: What Changed

Zoom stopped letting users save or download closed captions in May 2026. What the two official dates mean, what still works, and what to use instead.

DaVinci Resolve 4K Export: Is It Studio Only? Docs Disagree

Blackmagic's codec list says encoding 4K and up needs Studio. Its product pages say the free version finishes UHD. Both quotes, both URLs, checked here.

Gmail Attachment Size Limit: What 25 MB Actually Measures

The Gmail attachment size limit is 25 MB for personal accounts, but Workspace editions differ and sending and receiving are measured differently. With sources.

Google Drive Max File Size Limit: 5 TB, With One Catch

Google Drive's maximum file size is 5 TB, but only if you bought that much storage. The official numbers, the two units Google publishes, and what to do.

iPhone Action Mode Resolution Limit: It Caps at 2.8K

Apple caps Action mode at 2.8K. Here is the documented ceiling, how it compares with regular 4K video on iPhone, and what to do with the file.

iPhone High Efficiency vs Most Compatible: What Each Records

High Efficiency records HEIF and HEVC; Most Compatible records JPEG and H.264. Plus the trap: the Share sheet's Most Compatible is a different setting.

How Much Storage Does 1 Minute of iPhone Video Take?

Apple publishes one per-minute figure: about 65 MB for 1080p30 and 130 MB for spatial video. Here is what that number covers, and what it does not.

Loom 4K Recording Requirements: What Your Machine Needs

Loom records 4K only in the desktop app, on a paid plan. Loom's help center publishes two different system-requirement lists — here is both, side by side.

Loom's 5-Minute Recording Limit: Who Actually Hits It

Loom caps Starter recordings at 5 minutes, and Creator Lite roles hit it inside paid workspaces too. Plus: Loom's own docs give two paid-plan numbers.

Loom Chrome Extension vs Desktop App Quality: The Real Gap

Loom's extension tops out at 1080p in VP8/VP9 WebM; the desktop app reaches 4K in H.264. Here is what Loom's own encoding table says, row by row.

Premiere Pro Exports Only One SRT Caption Track at a Time

Premiere Pro's SRT sidecar export supports one stream per file. Here is what each caption sidecar format allows, and which track Premiere picks by default.

Teams Meeting Recording Time Limit: 4 Hours or 1.5 GB

Teams caps one meeting recording at 4 hours or 1.5 GB, whichever comes first. Here is why the size gate usually fires before the time gate.

WordPress Supported Video File Types: Two Official Lists

The video section of WordPress core's MIME map is exactly fifteen lines. WordPress.com lists nine. Both official lists, verbatim, and why they disagree.

WordPress Maximum Upload File Size: Who Actually Sets It

WordPress core has no maximum upload file size setting. Here is where the number on your Media screen really comes from, and what to do when a file is refused.

Zoom Recording File Size Per Hour: The Numbers Zoom Gives

Zoom states screen sharing uses about 20MB per hour and video about 200MB per hour, and calls both approximations. Here is why your files vary so much.