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Learn how you can manage optional permissions for extensions in the Firefox Add-ons Manager.

When you install an extension on Firefox, you may see a message asking for permission to access data or features. {for fx129}[[Image:permissions request on desktop]]{/for}{for not fx129}[[Image:Fx128AddExtension-Permissions]]{/for} {for fx129}{note}'''Note:''' See [[Extensions in Private Browsing]] regarding the ''Run in Private Windows'' checkbox.{/note}{/for} Extensions may also request optional permissions to support additional functionality. The first time the extension tries to access those features, you will see a message asking for you to allow or deny those optional permissions. [[Image:Optional permissions request on Firefox for desktop]] In the Firefox Add-ons Manager, you can also change access to data or features to your installed extensions at any time. =View and manage optional extension permissions= #[[T:Open Add-ons|type=Extensions]] #Click the name of an installed extension to see more details about that extension. #;[[Image:ExpandedExtensionCard]] #Select {menu Permissions} to see all permissions requested by the extension. #;[[Image:ExpandedExtensionPermissions]] #If an extension has optional permissions, they will be shown under ''Optional permissions for added functionality''. Turn each optional permission on or off with the toggle switch. #;[[Image:ExtensionOptionalToggle]]