Quick question: In SharePoint Online, didn't there used to be a way to set expirations dates for share links?
I no longer see this option...
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Sign up to join this communityThis option should be in the SharePoint Online admin center, you may need to switch to the "Classic" admin center to see the option.
http://www.sharepointdiary.com/2017/09/set-anonymous-link-expiration-in-sharepoint-online.html
Expiration dates is for sharing anonymous link. First you need to enable using anonymous links in admin center, then you can set the expiration dates when sharing links to anyone.