If you want to disable the Offer to save passwords feature in Microsoft Edge, watch the below video from my YouTube channel.
First, you need to download the Microsoft Edge Template Policy from the Microsoft website. Here’s the link: https://www.microsoft.com/en-us/edge/business/download
Then, copy the files into the Policy Definition folder. You can access the folder from here (%systemroot%\SYSVOL\domain\Policies)