Office.js should expose save events that allow add-ins to take an action before the document actually gets saved. This is especially an issue when using such platforms like Word in the browser, w...
We need to include some state information for our Add-In in the workbook, whenever the workbook is saved. It doesn't make sense to store this state separately from the workbook because that would likely get out of sync. For example, we wouldn't be able to track if the workbook got copied or deleted. It might also be useful to know if the workbook was being autosaved, or explicitly saved by the user (outside of OneDrive, or with AutoSave turned off).