Migrate Proton Mail to Office 365
Proton Mail Migration is Tough But it can be made easy with the help of an automated tool.
In the tool set IMAP as source and Office 365 as target.
Validate Source and Target credentials.
Map Users, Validate, and Migrate.
Get More Information Here: https://www.office365tips.org/migrate-proton-mail-to-office-365/