For general info on Datafeeds, see What Is A Datafeed?
Do I Need to Manually Create Values for a Datafeed?
How Does Duplicate Username Handling Work In a Datafeed?
How Does Duplicate Match-On Handling Work?
Can I use Email as the Match-On Field for my Datafeed?
How do I upload a special file to my Datafeed?
When are users deleted by a Datafeed?
I receive an error when trying to manually upload a Datafeed file via WinSCP
Why can't I set a user to Managed-By a Datafeed?
Why are there unexpected underscores in a username or email address?
What should I name my Datafeed file?
How to Populate Multiple Values in a Profile Field via a Datafeed