How to Import PST Files to Microsoft 365 Mailbox? 2025

Do you have a large number of Outlook PST files and want to import into Microsoft 365 account for any reason? If we look online, there are so many people who want to complete this task and looking for the quick, reliable, and safe solution. So, we have decided in this write-up, we will introduce you the simple and reliable method to complete this work. Here, we will also explain step-by-step process to import PST files to Microsoft 365 mailbox.

So, make sure to read this informative guide and follow the step-by-step process to accomplish this task effortlessly with 100% accuracy.

Why Users Want to Import PST to Microsoft 365 Account?

There are several reasons to import PST files into your Microsoft 365 account. Here are some of the most common:

• Moving from on-premise Outlook application to Microsoft 365.
• Consolidating multiple Outlook PST files into single account.
• Restoring the old email backups.
• Accessing the email messages and other data from anywhere.

Available Method to Import PST Files to Microsoft 365 Mailbox

There are many tools available online to import PST files to Office 365 account. However, most of them have several limitations and do not guarantee 100% accurate and safe transfer. Therefore, it is recommended to use fast, reliable and efficient 4n6 PST Converter.

This is a solution that will accomplish this task effortlessly. With the help of this advanced software, it is possible to import multiple or selected PST files to Microsoft 365 account. The software has a very intuitive user interface. Both technical and non-technical users can easily use this program without any technical expertise.

This software allows you to import PST emails, contacts, calendars, and other data directly to your Microsoft 365 account in a few easy steps.

Step-by-Step Guide to Migrate Outlook PST to Microsoft 365 Account

• Step 1: After downloading the program, install it, run it, and start by clicking the Open button.
  
  
• Step 2: A drop-down list appears, select the option “Choose File from a Folder” to browse and load PST files into the software panel.
  
• Step 3: This software will quickly load your selected Outlook PST files on the left panel as you can see in the screenshot.
  
• Step 4: Click on the loaded files if you want to preview your PST files in different modes.
  
  
• Step 5: Now, click the Export button and from the given drop-down menu, please choose Office 365 as saving.
  
  
• Step 6: Check the PST files loaded on the left panel and enable the filters like create empty folders, include email headers, and more.
  
  
• Step 7: Please enter correct login information of your Office 365 account such as email address and password.
  
• Step 8: Click the Save button to begin the process of importing PST files into Microsoft 365 account.
  

You will see that the application will start importing the selected PST files to your Microsoft 365 account. The software will transfer them all after just a few moments. When you get the completion message, sign in to your Microsoft 365 account to check the imported PST file.

Congratulations! You have successfully imported PST files to Microsoft 365 mailbox.

Main Benefits of 4n6 PST to Microsoft 365 Migration Tool

• With this program, you can effortlessly import multiple PST files into Microsoft 365 account in batch at once.
• The software allows you to directly import data from configured Outlook profile to Office 365 account.
• While exporting Outlook PST to Office 365 account, the application maintains all the properties.
• With this program, you can easily convert PST email to Microsoft 365 account including attachments and header information.
• There is no need to install Outlook application to import PST files to Microsoft 365 mailbox.
• With this powerful software, you can preview your PST emails, headers, and other properties.
• There is no file size limitations imposed on the Outlook PST to Microsoft 365 Migration Software.
• While exporting PST files to Office 365 email account, the application offers several advanced filters.

Frequently Asked Questions (FAQ)

Q: Is it possible to manually import PST files to Microsoft 365?

A: Yes, it is possible to manually upload PST to Microsoft 365 mailbox. But the process depends on the tools available and your technical knowledge level.

Q2: What is the most common manual way to migrate PST to Office 365?

A: Have a look at the most common method:

• Step 1: Configure your Microsoft 365 account in your Outlook account.
• Step 2: Go to the File menu, Open & Export, and select Import/Export.
• Step 3: Choose the option import file from another program or file and select the Outlook Data File (.pst).
• Step 4: Browse and select the PST file, choose option for duplicates, then select the folder (your Microsoft 365 account mailbox).
• Step 5: Click the Finish button to start the importing process.

Q3: What are the best practices before migrating PST files to Office 365 mailbox?

A3: Please make sure the following     g:

• Take a backup of your Outlook PST files.
• Check the mailbox size limit in your Microsoft 365 account.
• Use a stable and good internet connection.
• Test with one PST file before importing them all.

Q4: How do I migrate multiple PST files to Microsoft 365 account in bulk with headers?

A4: It is recommended to use professional software for this. The recommended 4n6 software helps you import unlimited PST files at a time with headers, attachments and other contents.

Q5: Will my folder structure be preserved while uploading PST to Office 365?

A5: If you choose professional software, the folder structure, content, metadata, and other features will remain the same.

Conclusion

Importing PST files to Microsoft 365 mailbox is not a very difficult task if you know the right methods and steps. In the above content, we have introduced the most reliable and step-by-step way to import PST files to Office 365 account. With the help of the recommended solution, this task can be easily completed without any kind of trouble.

Need Help?

If you want to import your PST file to another email service like Gmail, Yahoo, etc., you should read the following blogs:

Download the free demo version of the software to test it without investing – Nothing required!

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