Upload your package to Microsoft AppSource
On the Packages page in Partner Center, drag or select your manifest file or app package to upload it.
To remove or replace your add-in package, choose Remove in the Action column.
When you upload your package, you might get one of the following messages:
- Manifest errors. If your manifest contains errors, Partner Center reports those errors and you have to resolve them before you can submit your solution.
- Applications and platforms supported. Office Add-in host applications and platforms are specified in the Requirements element in your manifest. Your solution will be validated against all the applications and platforms listed. For more information, see Office Add-in host and platform availability.