Video upload limits by platform
Source-linked upload caps for chat, email, work, and social platforms. The dataset began on 2026-06-29; see each row for its source-check date and scope. rows stay noindex and verified:false until an official effective date is found.
Short answer
Use this as a checked source table, not as platform policy advice. If a platform rejects a video, pick the matching row, compress below the cap with headroom, and re-check the official upload prompt before sending.
Platform rows
Discord
3 source-checked rows
20 MB per file for free users
- Checked
- 2026-09-28
- Effective date
- Not stated by source
Gmail
1 source-checked row
25 MB maximum attachment size
- Checked
- 2026-09-28
- Effective date
- Not stated by source
Outlook.com
2 source-checked rows
25 MB total email size limit in Outlook.com
- Checked
- 2026-09-28
- Effective date
- Not stated by source
1 source-checked row
2 GB maximum document size
- Checked
- 2026-06-29
- Effective date
- Not stated by source
Slack
1 source-checked row
1 GB maximum file upload
- Checked
- 2026-09-28
- Effective date
- Not stated by source
Telegram
2 source-checked rows
2 GB maximum per file for standard users
- Checked
- 2026-09-28
- Effective date
- Not stated by source
X
1 source-checked row
512 MB maximum video file size for standard uploads
- Checked
- 2026-06-29
- Effective date
- Not stated by source
1 source-checked row
5 GB maximum native video file size
- Checked
- 2026-09-28
- Effective date
- Not stated by source
1 source-checked row
4 GB maximum video file size in Meta business specs
- Checked
- 2026-06-29
- Effective date
- Not stated by source
Latest source checks
This staged dataset began on 2026-06-29. See each row for its source-check date and unresolved evidence. Rows remain unverified where an exact policy effective date is not established; always re-check the official source and in-product upload prompt before publishing or sending media.