It’s usually not worth the effort. Invariably someone makes a mistake, or there is a version conflict between two people, and that defeats the whole purpose. B

It’s usually not worth the effort. Invariably someone makes a mistake, or there is a version conflict between two people, and that defeats the whole purpose. Besides, if they are sending you stuff in email, it’s already “versioned” by virtue of it being associated with a unique, chronologically ordered email. Add a local version for yourself when you ‘save as’ if it helps.