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Can You Increase the SharePoint Online List Attachment Size Limit?
Question details
The user wants to know if it is possible to increase the 250 MB attachment size limit for SharePoint Online list items.
- Product
- SharePoint Online
- Device & OS
- not provided
- Scenario
- Attempting to attach large files to a SharePoint Online list item.
- Observed behavior
- Files larger than approximately 250 MB fail to attach because of a hard system limitation in SharePoint Online.
Verify the exact file size of your document on your local drive to confirm if it exceeds the 250 MB maximum threshold for SharePoint lists.
Use a SharePoint Document Library Instead of List Attachments
Since the list attachment limit is strictly capped at 250 MB, the best workaround is to upload large files to a Document Library and link them to your list item.
The SharePoint Online list attachment-size limitation of 250 MB cannot currently be changed through settings or by contacting Microsoft Support. However, SharePoint Document Libraries support much larger files (up to 250 GB). By storing the file in a library and linking it, you bypass the list restriction entirely.
Navigate to your SharePoint site, open a Document Library from the site navigation, click the 'Upload' button, and select your large file.
Once the file is uploaded, hover over the file name, click the 'Share' icon or the ellipsis (...), and select 'Copy link'.
Return to your SharePoint List, edit the target list item, and paste the copied URL into a Hyperlink column or the item's comments/description field.
Compress the File Before Attaching
If your file is only slightly over the 250 MB limit, compressing it into a ZIP folder may reduce the size enough to allow direct attachment.
Experience Seamless File Management with WPS Office
Dealing with strict Microsoft limitations and complex workarounds can slow down your workflow. WPS Office provides a lightweight, highly compatible alternative for managing your documents, spreadsheets, and presentations without the heavy overhead.
- 1. Download and Install: Visit the WPS Office website to download the free suite and run the quick installation wizard.
- 2. Create or Open Files: Launch the application to instantly open your existing Word, Excel, or PowerPoint documents with perfect formatting.
- 3. Share via WPS Cloud: Save your large files to WPS Cloud and generate a shareable URL to seamlessly collaborate with your team.
Frequently Asked Questions
Can Microsoft Support manually increase my SharePoint list attachment limit?
No. The 250 MB limit for SharePoint Online list attachments is a hard system limit. It cannot be increased by modifying site settings, nor can it be raised by contacting Microsoft Support or Sales.
What is the maximum file size limit for a SharePoint Document Library?
Unlike SharePoint lists, SharePoint Document Libraries allow for vastly larger files, supporting file uploads up to 250 GB per file. This makes Document Libraries the standard solution for managing large files in Microsoft 365.
Will Microsoft ever increase the 250 MB limit for list items?
Microsoft has stated that they are reviewing this limitation and may provide an update. However, there is no official timeline or guarantee for when or if this limit will be increased, so using Document Libraries remains the recommended practice.
