How do I securely share a file in Google Drive with someone that has no Google Account?
Do you want to share a document you own on Google Drive with a person that does not yet know the amazing power of Google Workspace?
Naturally they don't want to sign up for a gmail.com account just for working with you, but they can add Google super powers to their own email address for free using their own email address (Yes, even a Microsoft address).
Send them to this Knowledge base article with included video: Enabling any email address for Google Services