You can add post attachments for blog posts, forums, and specific media galleries. You cannot add post attachments to a wiki.
Determine allowed attachment file extensions for blogs
- Navigate to Control Panel Dashboard > System Administration > Blog Administration > Configuration > File Storage Settings.
- To determine what extensions are allowed, view the Allowed File Extensions field.
- To add an extension, type it in the Allowed File Extensions comma-delimited list. It must be a supported format for Telligent Community.

- Click Save.
Determine allowed attachment file extensions for forums
- Navigate to Control Panel Dashboard > System Administration > Forum Administration > Configuration > Global Forum Settings > Attachments.
- To determine what extensions are allowed, view the Allowed File Extension Types field.
- To add an extension, type it In the Allowed File Extension Types comma-delimited list. It must be a supported format for Telligent Community.

- Click Save.
- Navigate to Control Panel Dashboard > System Administration > Media Gallery Administration > Media Galleries > [select a media gallery].
- Click Edit.
- Click Options.

- If you type an entry into Allowed File Extensions, only files of that type will be allowed. (It must be a supported format for Telligent Community.) By default, any type of supported file can be uploaded.
- If you type an entry into Restricted File Extensions, that type of file will be restricted from the media gallery. By default, no type of file is restricted.
- Click Save.
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