How to troubleshoot a VSTO addin that does not load?
The addin was not starting due to this other excel application running (I was migrating an MSAccess application to VSTO), so Access had an automation app open hidden.
excel - Programmatically Install Add-In VBA - Stack Overflow
Jan 25, 2014 · .AddIns.Add "Filepath to addin in shared location", False Any ideas on why Excel is expecting the addin to be in the users default folder?
Add-In Error: Content is blocked because it isn't signed by a valid ...
Mar 28, 2022 · The easy solution that worked for me was remove .office-addin-dev-cer from User folder. Then by running my Add-Ins by npm start I got popped by a message box to remove …
Error deploying VSTO Office addin - Stack Overflow
Jan 10, 2015 · I found a workaround by installing the addin using MSI. This Guide was a lot of help. Taken from the section about registry settings for the msi installation: It is important to …
Newest 'outlook-addin' Questions - Stack Overflow
Oct 17, 2025 · In a Mobile Outlook Addin, what is a good replacement for the unsupported (on Mobile) function Office.context.mailbox.item.getAsFileAsync? *the function above gets the …
Outlook AddIn : How to show console.log with Outlook Desktop?
I am working on an Outlook AddIn in JavaScript. My functionality works well in Outlook Web but it isn't working in Outlook Desktop. In Outlook Web I can see my console.log messages in the …
What is the difference between a COM Add in and a VSTO Add in
Jan 26, 2012 · I have not personally found a need to use AddIn-Express, but you may find it helps you if you don't want to invest the time in learning the VSTO framework. This choice also …
How do you enable excel add-ins for all users using registry …
Jun 24, 2022 · I'm trying to enable an excel add-in for all users in a given lab (Office 2019 is installed). The path to the add-in's "OPEN" string in the registry is …
Office Add-in how to see console.log - Stack Overflow
Jun 2, 2020 · I remember reading that newer Office versions use Edge for the Addin UI. Thus for Edge you can now use the Microsoft Edge DevTools Preview to have the normal "F12 …
vba - running a macro from an add-in - Stack Overflow
Feb 7, 2016 · In relation to how to run subroutines in installed add-ins (.xlam): Make sure the VBA project associated with the add-in has a unique name (not VBAProject) - say Addin_1. Within …