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Attachments can be any file with any extension.
You can add multiple attachments.
However However, all attachments combined can't exceed 200 MB.
How to add an attachment to Announcement?
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b) Single Announcement
The application downloads attachments from the selected issue.
Attachments can be added before and after the creation of announcements, which concern the chosen issue.
c) Multiple issue
The application downloads attachments from selected issues.
Attachments can be added before and after the creation of announcements, which concern the chosen issues.