I have a project inside Word VBA and I have a strong impression that in newer version of Microsoft Office Desktop, this type of macros won't be accepted.
I have read about Office Add-ins and I understand that it is the recommended way to develop those extra functionality. However, those options have to rely on a code base stored in a server and provided to the customer through the server. I would prefer to provide the customer with a locally based code.
Do you think, in 2023, VSTO are still going to be supported in the latest version of Microsoft Office 365 Desktop version ?
Do you think, in 2023, VSTO are still going to be supported in the latest version of Microsoft Office 365 Desktop version ?
I am sure! Microsoft doesn't have any plans to drop supporting VBA or COM/VSTO add-ins. Of course, these technologies are based on the COM which is available for Windows only, but they are valid and alive even in 2023.
If you consider supporting other platforms like Web browsers or MacOS you may take a look at web add-ins, see Office Add-ins platform overview for more information. They have its pros and cons. If we compare web add-ins with VSTO or VBA add-ins they are still limited in their functionality.
FYI Office web add-ins were introduced approximately 10 years ago and VBA or VSTO is still a valid way to go.