# LinkedIn Document and carousel Size and Specs 2026

Every upload spec at a glance, with sources.

URL: https://shortformkit.com/linkedin-document-carousel-size/
Updated: 2026-10-12

**LinkedIn Document and carousel 2026: files up to 100 MB, caption up to 3,000 characters.**

## All specs

| Maximum file size | 100 MB |
|---|---|
| File types | PDF, PPT, PPTX, DOC, DOCX |
| Caption limit | 3,000 characters |
| Visible before «more» | 140 characters |

Notes (from the sources, in English): Max 100 MB and 300 pages, one document per post, word limit one million words. Pages of different sizes must be fit to one size; layered PDFs must be flattened; videos and animations show as static images. Viewers can download it as PDF. The document cannot be swapped after posting. Visible text figure is approximate (Hootsuite).

Work out bitrate and file size with the [file size calculator](https://shortformkit.com/video-file-size-calculator/). Check caption length with the [character counter](https://shortformkit.com/character-counter/).

## Changes in 2025 and 2026

- No dated 2025/2026 spec change confirmed; video help page shows 15 min max for all uploads (older pages said 10 min on mobile).

## Sources

- [Upload and share documents on LinkedIn (LinkedIn Help)](https://www.linkedin.com/help/linkedin/answer/a518909) (official)
- [Media file types supported on LinkedIn (LinkedIn Help)](https://www.linkedin.com/help/linkedin/answer/a564109) (official)
- [Post and share updates (LinkedIn Help)](https://www.linkedin.com/help/linkedin/answer/a528176) (official)
- [Social media post length, ideal sizes for each platform (Hootsuite, 2026-07-14)](https://blog.hootsuite.com/ideal-social-media-post-length/) (industry)

Checked: 2026-10-13. Confidence: mixed. [All platforms in one table: social media video specs 2026](https://shortformkit.com/social-media-video-specs-2026/)

## Other LinkedIn formats

- [LinkedIn Video](https://shortformkit.com/linkedin-video-size/)

## FAQ

**What is the maximum file size for a LinkedIn Document and carousel?**
Up to 100 MB.

**How long can the caption of a LinkedIn Document and carousel be?**
Up to 3,000 characters.


Source: Shortform Kit (https://shortformkit.com/linkedin-document-carousel-size/). Free, no login.