If you are using one of the various VS wizards for creating COM add-ins or
shims then at some point in the wizard UI you have the option to check
something like "My add-in should be available to all users of the computer
it was installed on." Checking that option in the wizard will setup the
registration properly for your project. If you are developing your own
add-in or shim then you want to put the add-in's Office registration in HKLM
rather than HKCU. The structure of the registration should be the same under
HKLM as it is under HKCU ([HKLM |
HKCU]\Software\Microsoft\Office\<app>\Addins\<addin key> and then {[HKLM |
HKCU]\Software\Microsoft\Visio\Addins\<addin key> for Visio).
[MSFT] James Fletcher
Office Programmability Test
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