To add Gmail emails to Outlook 365 cloud account, you can try the advanced CubexSoft Gmail Backup tool that is amazing program and have lots of functions for quick, safe, perfect Gmail to O365 backup. It export multiple Gmail accounts to Office 365 at once with batch mode. It has capability to save attachments, images, formatting, metadata, hyperlinks, etc. Download the Gmail backup tool and export 25 emails from Gmail to Office 365 for free of cost. You can know complete working process of Gmail backup to Office 365. https://www.cubexsoft.com/blog/migrating-mailbox-gmail-to-office-365/
