Welcome to the Community. Here is limitations -
The default (per file) is 1 GB. The maximum attachment size (per file) is 2 GB.
For more information on attachments - https://support.atlassian.com/jira-cloud-administration/docs/configure-file-attachments/
However, please note that one should not use Jira as a file repository as per best practices.
Hope this helps.
Best, Joseph Chung Yin
Jira/JSM Functional Lead, Global Infrastructure Applications Team
@Joseph Chung Yin Hi Joseph, what are the best practices of handling the attachments? Is it possible to add a customized field or to modified the existing attachment field to upload the files to our own file repository while still being able to maintain the references to the issues, s3 or azure files, for example? There is another reason of having our own file repo which is backup and restore. Currently, full backup with attachments can only be done once in 48 hours.
Jira itself is not meant for to be used as a file storage component. You can use Confluence and then mention the Jira issues from Wiki, thus establishes the reference link.
In our environment, we have external file store to keep large files (i.e. media files). Yes, we do have custom fields where one can enter in URL links pointing to those files.
Hope this helps.
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