In this article, we will discuss how to access password protected PST files when the password is forgotten or unavailable. A PST file contains essential Outlook such as emails, contacts, calendars, and other mailbox items. We will explore different methods to access a locked PST file securely.
What If You Forgot PST File Password?
Sometimes you set a password to protect your PST file but a critical scenario comes up when you forget that password. Since, there is no option in MS Outlook to retrieve forgotten password, so now the password which you have assigned to secure the PST files impeding you in accessing Outlook PST file. Forgetting the Password of PST file leads to errors and does not allow the user to extract data from locked PST file. Following window appears on your screen when you try to open a password-protected PST file.

Why You Can’t Open Password-Protected PST?
In this section, we have discussed several common reasons why users cannot access Password protected PST file. Some of the most common reasons behind this problem are given below:
- Incorrect Password: When you are entering the incorrect password prevents Outlook from opening the PST file.
- Forgotten Password: Users may be unable to access their PST file if they no longer remember the original password.
- Corrupted PST File: The PST file corruption can prevent users from accessing the mailbox data.
- Outdated Outlook Version: Compatibility issues between the PST file and Outlook version may cause access problems.
- Incorrect File Location: Moving or changing the location of the PST file may result in accessibility issues.
- Insufficient Permissions: Limited user permissions can restrict access to a PST stored in a protected location, resulting in PST access denied errors.
Now, after knowing all the possible reasons let’s now move to the solutions part for better understanding and clarity.
How to Open Password Protected PST File Manually?
If you want to open password protected Outlook PST files using Outlook’s built-in options, there are a 2 manual approaches you can try. These manual approaches will help to extract data from the locked Outlook PST file easily.
Method 1: Open the Protected PST File in Outlook
If you know the existing password, you can access password protected PST in Outlook using its built in options to add and access Outlook data files. The steps to open the required PST files are as follows:
- Firstly, open the Microsoft Outlook application on your system.
- Then, go to the File section and choose the Open & Export option.
- After that, open the required Outlook data file.
- Now, enter the existing password when prompted.
- At last, click the OK button to access the PST data file.
Method 2: Remove Password From PST Using Outlook
When you want to remove Password from PST file, Outlook allows you to change or remove it through its Account Settings. This method works when you know the existing PST password and want to access the file without password protection. The steps to access password protected PST file using this method are as follows:
- Firstly, open Outlook and navigate to the File tab.
- From there, go to the Account Settings section.
- Then, choose the password-protected PST and click on the Settings option.
- Now, choose the Change Password option and enter the current password.
- Next, leave the new password fields blank and remove the password protection.
- At last, save the changes made to access password-protected PST files.
Limitations of Manual Approaches
However, these manual methods work well when you remember the password but there are some drawbacks associated with the above methods when you want to access password protected PST file.
- The existing PST password is required to remove password protection.
- Outlook application cannot directly help when the PST password is forgotten.
- These methods require Microsoft Outlook dependency to manage the PST file.
- They are time-consuming and do not support bulk processing of multiple protected PST files at once.
- These built-in ways may have technical limitations and may not work for every password protected PST scenario.
If users need to recover password protected PST file then it will be very time-consuming and tough task. Therefore, for quick password recovery of PST file the user must rely on a third-party tool.
Access Password Protected PST File Using Professional Tool
The users can opt for an alternate solution that is SysTools PST Password Remover. With this utility, users can unlock Outlook .pst file password without installation of Microsoft Outlook. Additionally, the software supports both Windows and Mac OS to retrieve .pst file password. Moreover, the reliable tool supports both ANSI and Unicode Outlook PST files.
Stepwise Guide to Open Password Protected PST File
User can perform below mentioned steps to access password protected PST file without knowing password.
- Download the software on your system and install it. Either you can Click Add File option to add PST file or you can click Add Folder option to add folder of many PST files.

- The software will show the status of all browsed PST files. See the status column to understand. The user can remove the unlocked PST file using Remove File button.

- Hit the Remove Password button form software bottom.

- After removing the password the software will show a success message. After this, the user can easily access password protected PST file.

Prime Functions of this Advanced Solution
Here, we have mentioned the key features of this software, which makes it more useful and secure for users who need to access password protected PST file after forgetting its passcode.
- The software helps to remove PST password to make Outlook PST files accessible.
- It helps to unlock PST file even when the original password is forgotten.
- Supports bulk processing of multiple PST file in a single process.
- This tool supports both ANSI and Unicode PST files from different versions of Outlook.
- Offers 24/7 technical support for user queries.
- Works completely in offline mode without requiring a stable internet connection.
- Compatible with both Windows and Mac operating systems.
Wrapping Up
Nowadays, forgetting PST file password is the most common problem. Sometimes, people try to access password protected PST file but they do not remember the password anymore. If still facing this problem thus, in this blog, we have suggested 3 ways to let users understand how to open password protected PST and extract data from it. You can choose the solution that is best suited to your needs.