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Is there an attachment file size limit for confluence?

Gabrielle Ryan

Hi everyone. Is there a file size limit for attachments or links (to the attachments) applied by confluence? asking regarding uploading of a knowledge article and the links and attachments that will be embedded in the article, we need to know if there is a size limit to these. thanks a bunch

Accepted answers

Calvin

Yep there is, this can be changes in Confluence if you are a Confluence Admin, by going to the settings cog on the top right and then "General Configuration" half way down the page you can choose the file size.

Ours is about 100 megabytes, expressed as 104857600 bytes similar to the documentation below:

See: https://support.atlassian.com/confluence-cloud/docs/configure-attachment-size/

Screenshot 2025-12-10 122042.png

All comments

Calvin

Ours is about 100 megabytes, expressed as 104857600 bytes similar to the documentation below:

See: https://support.atlassian.com/confluence-cloud/docs/configure-attachment-size/

Screenshot 2025-12-10 122042.png

Gabrielle Ryan

thank you Calvin!

Staffan Redelius

Hi @Gabrielle Ryan

From a maintenance perspective I would not recommend to store large files in Confluence (or Jira). Large attachments are quite hard to find and remove once they are added and it requires a lot of manual work to remove.

Since you are on standard you have a limit of 250GB storage per application. This goes a long way normally but if you store large attachments it will be eaten up pretty fast.

Just a warning since I spent a lot of time cleaning up a site that had maxed the storage in the applications and it was extremly time consuming.

Best regards,
/Staffan

Gabrielle Ryan

thank you for the additional info Staffan, that's great to know, cheers

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