You May Not Use The File. There is Not Enough Permission to Use PST Files

Written By Deepmala
Chirag Arora
Approved By Chirag Arora  
Published On September 29th, 2023
Reading Time 3 Minutes Reading

Outlook shows up an error stating that the user is not authorized to use the PST file and they immediately panic without considering the situation as resolvable. The error we will be discussing here looks like the following: “You May Not Use The File. There is Not Enough Permission to Use PST Files”

The Cause of Occurrence: The error is displayed at the time of importing an Outlook PST file from an external storage media to the Microsoft Outlook profile of a different machine. This happens because; the file being imported comes from a different operating system to a different one. Therefore, there is a possibility that the source and destination OS accounts are not compatible or the controls have not been set properly.

Nevertheless, the issue is absolutely resolvable with the help of troubleshooting methods. Two of the methods are discussed in the segment here and requires to be followed out as suggested.

TIP: Note that applying both of the mentioned fixtures could result in making the respective machines vulnerable to attack. Thus, make sure that you consider the consequences as well as have taken alternative measures to make sure the security is not compromised with.

Solutions for Making PST Files Permissible

Method 1: Change PST File Permission

  • Select the PST that you want to import and right click on it. Click on Property. right click on PST file and select property options
  • On the Property windows, click on Security tab followed by Edit to make changes in the security settings of the file.
    Select security tab and click on edit
  • Click on Add from the permissions window of the selected PST file. Click on add button
  • The Select Users or Groups popup will open. Select users or group
  • Enter the object name in the field provided for ‘Enter the object names to select’ Enter the object names to select
  • Click on Ok till all the open windows close. Click on OK button
  • Now try importing back the PST file to confirm whether change in settings resolved the issue or not.

Method 2: Change Account Controls for PC

  • Open the Control Panel by going to the Start menu. Click on control panel
  • Go to User Accounts and Family Safety to make changes into the computer’s user account settings.Click on User Accounts and Family Safety
  • Select User Accounts from the window that opens. Click on user Accounts
  • On the screen that opens next at the bottom you will find: Change User Account Control Settings. Click on it.
    Change User Account Control Settings
  • Drag the control setting lever to the lowest point, i.e. Never Notify. Change User Account Control Settings
  • Now click on Ok to confirm the changes. Click on Ok to save settings

NOTE: There is a possibility you might be prompted for an Administrator password.

  • Enter the password and click Ok.
  • Then go to the Outlook profile you had trouble importing PST to and retry the import procedure.

TIP: Once the changes made to security settings of PST file and User Account resolve the import trouble, reverse the changes to keep your essential data protected. This will protect your data and computer from being attacked by malware all over again.


Changing the security setting of either the PST file or the computer may result in making it vulnerable to attack. Therefore, changing the settings back is an important step of the procedure. However, if this doesn’t solve your problem, then you may try other possible solutions like recovery of the database for the slight possibility that it may be corrupt.