Change Fake User

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About

Operator changes the use of Fake User in data blocks. Makes it easier to change the Fake User parameter on a large number of data blocks. Can be used for animations (for example, which are created after importing skls animations, which can be more than a thousand) or for a large number of materials (for example, which are created after importing locations). It is possible to modify such data blocks: objects, meshes, materials, textures, images, armatures, animations. Using Fake User allows you to save a data block even if it does not have a real user (which is often the case with action data blocks). If you enable Fake User on data blocks, then after reloading the blend file, these blocks will not be deleted

Mode

An operator mode that specifies which data blocks to modify

Active Object - Data blocks that are linked to the active object
Selected Objects - Data blocks that are linked to the selected objects
All Objects - Data blocks that are linked to all objects in the blend file
All Data - All data blocks, even if they are not associated with objects

Change

Specifies the types of data blocks for which the Fake User parameter should be changed. It is possible to select several items at once using Shift + LMB

Objects - Objects
Meshes - Meshes
Materials - Materials
Textures - Textures for Internal Render in blender 2.7x
Images - Images
Armatures - Armatures
Actions - Animations
All - All the data blocks listed above

Fake User

Value to be set in the Fake User parameter of the data blocks

True - Use Fake User
False - Do not use Fake User
Invert - Invert the set value (if Fake User was not used, it will be used and vice versa)

Sources