I've got a strange issue with a Word VSTO add-in on one machine where running the visual studio project opens word but does not attempt to start the add in as far as I can tell. I got to this poin...

I'm trying to get a Word add-in published into the Microsoft App Store and continue to get rejected for '1100.5.6.2 Default Icon in Ribbon' 'The Ribbon icon for the offer is displaying a default ic...

One of our customers is facing an issue while trying to activate an app created by them. The app is published as free of charge. Location: https://store.office.com/en-001/app.aspx?assetid=WA10437...

I'm working on Office 365 Word Add-in that opens a document. When we open the document via context.application.createDocument(base64string).open(), it launches a new window instead of opening the ...

I am developing a Word 2016 Addin and I have received an error from a client (logged via Sentry) that I'm having trouble reproducing. It occurred in a Dialog window on macOS Sierra 10.12.6 in Word ...

I have an Office addin which uses the following backstage XML to add custom UI elements into Microsoft Word backstage: <?xml version="1.0" encoding="UTF-8"?> <customUI ...

In my Word add-in, I have a Word Document object which contains a particular Section. In this Section, I append a Shape: var shape = section.Headers[WdHeaderFooterIndex.wdHeaderFooterFirstPage].Sh...

I have a custom addin for Word (could also be for Excel). The addin has a ribbon with multiple groups and multiple controls (buttons) within them. This is an ongoing project and some of the ribbo...

We have developed a product that is a standard VSTO addin (Word 2010 and Word 2013, x86 only). By default when it is installed, it is installed for all users (ie. the addin registry entries are ins...

The issue in short is that I created a Word VSTO addin that works perfectly fine on a number of machines, but fails to load on one machine only. I don't know if the problem is in the assembly name,...