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Written By
Simran Bhatia -
Approved By
Sonika Rawat -
Updated on
December 23rd, 2025 -
Read Time
4 minutes
These are the two methods which you can use to unlock password protected PST files.



Encrypting the PST files is a cool way to protect them but if you lost or forget your password. Ending losing password means losing your data, which is not good for a professional point of view. So apart from method 1, you can use Microsoft Free Utility ‘pst19upg.exe’. It can remove password from the PST file and you can download it from their official site. After downloading follow below steps to unlock password protected PST files.
C:\Program Files\Common Files\System\MAPI\\scanpst.exe
C:\Program Files\Common Files\System\MAPI\\NT\scanpst.exe
C:\Program Files\Common Files\Windows Messaging\scanpst.exe
Note: Create the backup of PST files before starting this process.
This free utility comes with a limitation. It is only functional in Microsoft Outlook 2002 and earlier versions. Which means you cannot run it into MS Outlook MS Outlook 2016, 2013, 2010, 2007, and 2003. Also, it can only eradicate passwords from ANSI PST type, not from UNICODE PST.
Outlook Password Recovery tool is the best, and most cost-effective solution to unlock all passwords protected MS Outlook PST files. No matter, how much the password is long or complex, it will recover it within a few clicks. “Simply upload the locked PST files then click on Recover button“. And you are able to open them effortlessly. It is a user-friendly, fast and very efficient tool. This tool can easily encrypt PST files in Outlook. It can effectively unlock the PST files which are created on ANSI and UNICODE created on MS Outlook 2016 and for lower versions as well.
Explore More: Change Outlook Password in Windows
In this blog, we have discussed how to unlock password protected PST files using two methods and a third-party tool. The manual methods are time-consuming and work only for MS Outlook 2003 and older versions. So I would recommend using the professional PST password recovery tool to unlock PST files from MS Outlook 2016/2013/2010/2007 or older versions.
About The Author:
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.
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