Is there any way to add MIME types in SP online? We have added in on-premise before at the web application level and need to do the same in SP online.
1 Answer
Unfortunately it's not possible. Some files doesn't have mapped MIME types, which means they can't be saved to SharePoint Online.
Reference: Adding MIME types in SharePoint Online
The answer suggests voting on a request at User Voice.
answered Dec 4, 2018 at 9:22
