Does Arc have Autofill available?
Autofill is available in Arc and you should automatically receive prompts about this.
If you do encounter issues, however, be sure to check whichever autofill service you’re looking to use by going to Arc > Settings > General > Passwords or Credit Cards.
How do I turn Autofill on or off?
You can easily disable autofill in Arc for passwords, payments, and/or addresses by heading to Arc > Settings > General > Passwords or Credit Cards.
Once on the next screen, toggle the "Offer to Save [selected autofill]" setting to off.
Just make sure to select the correct Profile before doing this, so you don’t end up looking at the wrong info!