Easily Migrate Yahoo Mail to Office 365 Without Data Loss

Why It Is Difficult to Migrate Yahoo Mail to Microsoft 365?

• Neither email clients have not any built-in direct migration option.
• There is no native feature in O365 that can extract emails from Yahoo.
• Yahoo does not follow the protocols that are needed to be accepted by Office 365.
• Users have to fix Yahoo email is not working problem during manual migration.
• The migration can take too much time or cause an error for large mailboxes.
• It is reported that the folder structure and metadata do not remain the same.
• Attachments sometimes get separated from their original emails during the migration process.

Manual Method to Migrate Yahoo Mail to Office 365

The manual method is not simple at all. It has two stages, where we will first save Yahoo Mail in PST format. Thereafter, in the second stage, we will import the PST file to Office 365 account.

Step 1- Export Yahoo Mail to Office 365 (PST File Format)

To convert Yahoo mail to Office 365 via Outlook data file format, a user needs to follow the steps given below:

1. Initially, you have to set up Yahoo! to enable Allow apps that use a less secure sign-in option, and for that, change the Account Security of Yahoo Mail.
2. Now, open Outlook and go to File >> Info >> Add Account >> Manually Configure Server Settings. After that, click Next to continue.
3. In the Choose Your Account Type window, select the POP3 or IMAP option and click Next to continue.
4. Enter all credentials, i.e., new change email address on Yahoo and password. After that, in the incoming mail server field, type pop.mail.yahoo.com, and in the outgoing server field, type smtp.mail.yahoo.com.
5. Now, click on the More Settings option and in the POP and IMAP Account Settings, enter a name for the account.
6. In the Internet Email Settings window, select the Outgoing Server tab and check the Use Same Settings as My Incoming Mail Server and My SMTP Requires Authentication options.
7. Now, choose the Advanced tab and for the POP3 server, type 995, and for the SMTP server, type 465. Select SSL as the encryption type and check the This Server Requires an Encrypted Connection option.
8. And, click on OK >> Next button and then click on the Finish option. After that, Exit and Restart Outlook.
9. Finally, click on the Send/Receive tab and choose the Send/Receive All Folders option. All of your Yahoo data is present in Outlook.
10. Lastly, recheck the default location to confirm if the exported Yahoo file is saved or not.

Step 2- Migrate Emails from Yahoo to Office 365

To convert exported data, there are two options available. You can choose any of them that suits you the most.

Approach 1. Utilizing Network upload.

1. To start, copy the SAS URL and install Azure AzCopy on the machine.
2. Upload all files to the Office 365 account.
3. Now, you need to view the uploaded files to continue the process.
4. Now, create a new import mapping file.
5. Finally, you have to create an import job in Office 365.

Approach 2. By using Drive Shipping.

1. Copy the files to a BitLocker-encrypted hard disk.
2. After that, transfer the drive to Microsoft physically.
3. From the hard disk, start uploading the data personnel to a location, which is temporary in the cloud of Microsoft.
4. Now, you can take the help of the Office 365 Import service to convert exported Yahoo Emails to Office 365 accounts.

Limitations of the Manual Method 

• This manual process is very complex and long for non-tech users.
• Requires many applications, which can be confusing.
• Errors may be found during export and import.
• Heavy data may slow down the process.
• There is no direct option for the migration.
• Possibilities to face authentication or connectivity issues.

Enterprise-Level Solution to Migrate Yahoo Mail to Office 365

The Sysinfo Yahoo Mail Migration Tool is a simple and straightforward solution to migrate Yahoo email to Office 365. It helps to build a direct connection between the email clients by using their login credentials. This tool helps to migrate mailbox items securely without any data loss. Moreover, this utility is not limited to email clients; it also lets you back up your data in multiple file formats. 

Steps to Migrate Yahoo Mail to Microsoft 365

1. Download the tool and sign in with your Yahoo credentials.
   
2. Thereafter, select and preview files and click Next.
   
3. Now, choose Office 365 and the authentication method and hit Next.
   
4. Further, log in with the credentials of O365 and select the user ID and hit Next.
   
5. Thereafter, choose the mailbox and confirm the source or destination, and click Next.
   
6. Finally, apply filters and click the Start Process.
   

Conclusion

There are two methods in this blog to migrate Yahoo Mail to Office 365. The manual method only works when you have technical knowledge because a single wrong move can cause an error. But if you want a simple and direct option, then using the professional tool is the best option. The advanced tool connects Yahoo with Office 365 directly and migrates data with no data loss.

Frequently Asked Questions

About The Author:

Simran Bhatia

Simran Bhatia is a technical content writer engaged in writing clear, concise, and SEO-optimized content. With a background in computer science and a passion for writing, I thrive to deliver complex technical content in simple layman terms.