unfortunately I can see why this would be an issue. For example if you open up a new Word document, because the application can support multiple identities (e.g corporate and personal o365) you could potentially paste corporate data in to the unsaved document and then proceed to save that back to a personal location.
MS Whiteboard (this should be a given!)
RSA Secure ID
Also please consider combining these UserVoice Requests for the same item
11 votesJohn K shared this idea ·
Confirmed that it is currently by design that conditional access allows only one identity per device at this time. We hear that you need this and we’re looking into it. I’ve changed the title and category to indicate that this is related to conditional access.
Again, this is just for multiple identities from the same company. If you’re looking for having one device with identities from two different companies for MDM, that idea is here:
And if you’re looking for having multiple identities for MAM, that idea is here: https://microsoftintune.uservoice.com/forums/291681/suggestions/34627435