File Size Attachment Limits in Desk

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When attaching files to your email cases or knowledge articles in Desk, keep in mind the file size limitations.
 

Email Attachments


 

Knowledge Article Attachments


The following size limits apply to attaching files to email cases and knowledge articles:

Attaching files to a case - 20 MB per file 
Inbound and outbound email attachments - 20 MB per file
Knowledge article attachments - 20 MB per article
Postmark file attachments

Note: If you are using Postmark for outbound email, the limit is set to 10 MB per file.