How to Import Yahoo mailbox to Office 365 with Attachments?

sunilkumar

New member
Jan 7, 2026
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Need to import Yahoo mail to Office 365. Use the SysInfo Yahoo Backup Tool that easily transfers Yahoo mail to Office 365. The tool also exports Yahoo mails into various other File Formats, such as PST, PDF, EML, MBOX, etc. Apart from this, the software can take a backup of all the data. You can backup selective Yahoo mailbox by applying the properties like, from: To, From, CC, BCC, and it can also remove duplicate emails from the folder.
 

rishi

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Jan 5, 2026
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Need to move your Yahoo Mail to Office 365? The DRS Yahoo Backup Tool makes it easy. It can transfer your entire mailbox directly to Office 365 or save it in formats like PDF, PST, and MBOX. It also lets you pick specific emails by date or sender, and it automatically removes duplicate messages to keep your backup clean.
 
To import a Yahoo mailbox to Office 365 with attachments, you can start with the manual approach using Microsoft Outlook as an intermediary. First, configure your Yahoo Mail account in Outlook using POP or IMAP settings, allow access from Yahoo security settings, and sync all emails with attachments to Outlook. Once the data is downloaded, export it as a PST file and then upload that PST into Office 365 using Microsoft’s import methods.
Although this method is free, and has several limitations. It is lengthy, requires technical expertise, depends heavily on Outlook configuration, and may cause issues with large mailboxes or missing attachments. To avoid these challenges, the CloudMigration Yahoo Backup Tool is a better option. It directly migrates Yahoo mailbox data, including all attachments, to Office 365 with complete accuracy, faster processing, and no risk of data loss, making the migration simple and reliable.
 
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