Managing Attachment Permissions 
Path to Attachment Permissions: Attachments > Attachment Permissions.

You edit attachment permissions (at the attachment type level) in the Attachment Permissions Manager, Attachment Permissions form.

<<<Insert a level-setting screenshot of the Attachment Permissions Manager, Attachment Permissions form.>>>

The Attachment Permissions form displays a list of all allowed attachment extensions on your site with a list under each extension (for example, jpg or pdf) of of the usergroups authorized to use each one.

The display is color coded. Red indicates that a usergroup has a custom attachment permission specified for this channel. If no custom attachment permission has been specified, the usergroup is assigned the default attachment extension permissions.

To the right of each extension name are two links:To edit or add an attachment permission, locate the appropriate extension and usergroup, and click the Edit link.

The following form opens.

<<<Insert a screenshot of Edit Attachment for Usergroup.>>>

At the top of the screen are radio buttons that allow you to select one of the following choices:Choosing the “Use Default Permissions” option cancels any custom permissions previously set.

If you choose Use Custom Permissions you can set the permissions in the bottom part of the screen.

Following is the superset of options you can set in the Edit Attachment Permissions for Usergroup form (note that not all options apply to all extension types).
Note:
You must click Save for changes to take effect.
Can use this extension (Yes/No)
Whether or not the usergroup can upload files with this extension.

Max Filesize (default depends on extension type)
Maximum filesize of the extension, in bytes.

There are multiple vBulletin configuration options that limit the maximum size of uploaded files. Look at the quick stats on the Admin CP home page for the current settings.

Maximum Width (default depends on extension type)
Maximum width of the attachment, in pixels.

This option applies only to files with extensions bmp, gif, jpe, jpg, jpeg, png, psd, tif, and tiff.

Maximum Height (default depends on extension type)
Maximum width of the attachment, in pixels.

This option applies only to files with extensions bmp, gif, jpe, jpg, jpeg, png, psd, tif, and tiff.
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