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Learn How to Save PST Files to OneDrive for Free in 2025

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Published By Jamie Kaler
Rollins Duke
Approved By Rollins Duke
Published On June 9th, 2025
Reading Time 4 Minutes Reading

Are you unable to save PST files to OneDrive? If yes, this blog guide will help you overcome your problem through a step-by-step, structured guide.  Whether you are looking for a DIY method or a fully automated approach to backup Outlook PST to OneDrive. This guide will delve deep into each common query for storing an Outlook data file to OneDrive. The professional solution in this guide will ensure that users will not encounter sync issues, corruption problems, data loss, etc., during the backup of PST to OneDrive.

Why Do Users Need to Backup PST Files to OneDrive?

Disaster Recovery Readiness: One needs to keep a copy of the Outlook data file in OneDrive for disaster recovery readiness. Whether your Outlook got crashed, corrupted, or your system was attacked by a malware attack. If you already have a copy of your data in a secure cloud storage environment. You will always be ready for such disaster recovery.

Access From Anywhere: Another prominent need of users to save Outlook PST files to OneDrive is for ease of accessibility from anywhere. Users can easily view their Outlook data file with the help of an offline PST viewer.

Data Loss Prevention: It is a good habit to have a copy of PST files stored in OneDrive. If anyone has lost their Outlook data due to any kind of reason, like accidental deletion. They can easily restore their Outlook mailbox data from a secure cloud copy.

How to Find Out PST Files on Your Local Machine?

By running the professional solution, described in the section below, you need to select the option for Convert Configured Outlook Profile. When you click on the option, you will find the location for the PST files on your device. Alternatively, press the “Windows + R” button and type “%userprofile%\Documents\Outlook Files”. Lastly, press Enter to get the PST file location.
auto locate PST file

Note: Change the userprofile with act user profile name on your system.

How to Backup PST to OneDrive Manually?

  1. First, get the PST files from your location with the help of the above section.
  2. Now, copy the PST files from the source location by pressing the CTRL+C
  3. After that, open the File Explorer and navigate to the OneDrive folder.
  4. Lastly, choose the folder and press CTRL+V to save PST files to OneDrive.

Pros: An easy-to-go approach saves time and resources.

Cons: Handling large PST files via the manual method may cause corruption to the Outlook data file.

Automated Technique to Save PST to OneDrive

If you are looking for an automated, easy-to-use approach, then you should use the MailsWare PST File Converter Tool. This is an automated, easy-to-use utility made for securely backing up PST files to OneDrive. Using this secure toolkit, one can select to store PST to OneDrive without worrying about corruption and data loss problems. This application is a highly tested solution with 0 zero data loss or PST file corruption issues.

How to Save Outlook PST Files to OneDrive? Expert Approach

  1. At the start, install and run the solution on your local device.
  2. Now, choose to “Convert configured Outlook Mailbox Data”.
  3. Thereafter, enable the folder required to save to OneDrive from the PST.
    mark required folder
  4. Next, choose the saving option as PST & storage path as OneDrive.
    select onedrive
  5. Finally, hit the Convert button to save PST files to OneDrive, bypassing the corruption problem.
    press convert to save PST files to OneDrive

Free Vs Pro Solution: Which is Better?

Criteria Free Approach Professional Approach
Ease of Use Basic User friendly interface
Risk of Corruption High Low
Support Batch PST file backup to OneDrive Yes, but a very time-consuming process depending on the size of PST files. Yes, with fast saving algorithms.
Auto PST File Detection Not Supported Supported
Time Efficiency Slow Fast

Conclusion  

To sum up the above blog on the topic of how to backup PST files to OneDrive. We discussed both the DIY and automated solution techniques to overcome the problem. Since the DIY solution does not detect the PST file location. Therefore, before discussing the DIY steps, we have seen how to find the Outlook data file location both manually and using the pro solution. Lastly, we have seen the quick comparison of pro vs free ways to backup Outlook PST to OneDrive.

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