CloudMigration Yahoo Backup Tool is the easiest way to migrate  your Yahoo mail to Office 365. It allow you to transfer your Yahoo mail file to othe mail client like Office 365, Yandex, Thunderbird and many other mail clients. With the help of this tool you can convert your file into many other file formats like PNG, GIF, MBOX, MHTML, OST, PST, and many other file formats. It allow provide many other features.

Using the MacSonik Yahoo backup tool is the easiest way to migrate Yahoo emails to Office 365. This is a safe and reliable utility that helps to provide bulk migration of Yahoo mailbox items. It maintains data security and keeps the folder hierarchy as original throughout the migration process. The Yahoo backup tool for Mac is inbuilt with advanced features like the date range filter that helps to convert emails of selective dates. It also aids users in converting/migrating multiple Yahoo emails to various file formats and email clients like EML, PDF, PST, Gmail, AOL, Opera Mail, etc. The simple GUI of this software makes it convenient to use by both technical and non-technical users.

You can also follow this blog to learn about different approaches to import Yahoo Mail to Gmail. 

Migrating Yahoo emails to Office 365 can be accomplished manually, although it has its share of challenges. The manual method involves configuring both Yahoo and Office 365 accounts, enabling IMAP access in Yahoo, and then transferring emails one by one, which is time-consuming and prone to errors. Additionally, it's not suitable for large email volumes, and there's a risk of data loss during the process. To simplify the migration process and ensure data integrity, I recommend using the Cigati Yahoo Backup Tool. This efficient software allows you to effortlessly export Yahoo emails to Office 365, ensuring a hassle-free migration experience.