- Access
- Ribbon: Tools tab
Options panel Add-ins 
or
Start menu: Programs
Autodesk Autodesk Inventor [version] Tools Add-in Manager.
Lists the Autodesk Inventor add-ins that are installed on the system.
Provides the means to load and unload add-ins.
Load Behavior
Add-Ins that are signed by Autodesk or registered as an integral part of Autodesk products are automatically allowed to load.
- Loaded/Unloaded
-
Switches the selected add-in between Loaded and Unloaded. The load behavior list updates to reflect the selected load behavior.
or
Double-click the name in the list to switch between Loaded and Unloaded.
Note: You cannot unload Autodesk Inventor Professional Add-ins in-session. You can load/unload only on Startup. - Load Automatically
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Switches on the environment and associated add-ins when a document of that type loads.
Environments load in this order: Parts, Assemblies, Presentations, Drawings. For instance, if you load a:
Part document - the part environment and any add-ins associated with it load. Other environments do not load.
Assembly document - the part and assembly environments load, along with any add-ins.
Drawing document - All of the environments and associated add-ins load.
- Block
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The Block check box is enabled when a non-Autodesk product add-in is loaded for other add-ins.
- Publisher
- Displays the digitally signed name of the publisher of the add-in.
- Signature
- A concise description of the digital signature status of the add-in. For example, Signed, Unsigned, Untrusted, Revoked, Expired, or Invalid.
When a non-Autodesk product add-in is selected, the Block check box is enabled.
Add-In Manager load dialog box
When a non-Autodesk product add-in is loaded the Add-In Manager load dialog box displays. You can choose to Allow or Block an add-in from loading. The Allow or Block setting can be changed at any time from within Add-In Manager dialog box. The setting persists in future sessions.