Change the default namespace of a VSTO project

Question

Is it possible to change the default namespace of a VSTO project?... I've tried opening the project file in notepad and changing the rootnamespace xml param to my new desired name, but it fails to load the add-in when Word starts. It throws a generic runtime error. I suspect that the manifest still points to the previous namespace.

Any ideas?

score 12 · Accepted Answer · answered Oct 20 '11 at 07:18

12

"Officially", you cannot change the default namespace of a VSTO project. But there is a way, by editing the project file and doing some find&replace. This blog post explains how to do it.

answered Oct 20 '11 at 07:18

Matthias

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Just spent two hours fixing all of the problems caused by this solution. – Eric Feb 16 '21 at 22:31
@Eric care to share an answer with what steps you took to fix the problems caused (or a caution of what problems are caused?) or did you have to undo instead of fix? – Joshua Voskamp Jan 17 '23 at 16:13
I had to undo instead of fix. – Eric Feb 02 '23 at 16:29

Change the default namespace of a VSTO project

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