PST file stores electronic emails, contacts and other data of the Outlook mailbox in the local Windows drive. It is automatically generated when you create a new Outlook email account. PST file holds entire mailbox data of the outlook user that includes emails, deleted emails, sent items, drafts, calendars, contacts, tasks and others. Security of outlook emails is quite important as unauthorized persons can easily steal data of your outlook account.

MS Outlook offer three types of email security i.e., PST compression, encryption and password locking. Locking outlook PST file with a password is the most secured option. You can add a new PST file and assign password for the file from your Outlook account in following steps:

  1. Start MS Outlook program

  2. Go to Tools>Account Settings

  3. In the Account Settings Windows, click on Data Files tab and press “Add” button

  4. Choose appropriate PST option and press “Ok

  5. Type the name for the new PST file and press “ok

  6. Type the password for the new file in the empty box

  7. Verify the password and press “ok

For high security of your outlook data, you must use difficult passwords for PST files and note down all passwords in .xls, .doc or other text files. It is advisable that you should use both numerical and text letters in a PST password. You must remember PST password as you’ll be prompted to enter password each time when MS Outlook starts. MS Outlook will prompt you to enter old PST password even if you are changing password of a PST file. You shall lose your crucial emails, attachments and other data that are stored in a password protected PST file in case password is lost. Even IT administrator cannot help you in recovering PST password if MS Outlook is installed on the network computer.

But there are many Third party tools that can easily unlock password protected PST files. PST unlocker software will allow you to recover password of the Outlook PST file. It successfully recover difficult as well as multilingual passwords of PST files. PST unlocker helps you in accessing the password protected PST file in case you don’t remember password or lost the file that store PST passwords. PST unlocker software can recover password for PST files generated by MS Outlook 2007, 2010, 2003, 2002, 97, 2000 and 98. You can download and install PST unlocker software free of cost as many password recovery tools are available as freeware.

Summary: Outlook PST file can be protected with a password to prevent unauthorized access of crucial mailbox data. You can add a new PST file and set a file password using your outlook profile. Password protected PST files cannot be opened in case you forget the PST passwords. In that situation, you must choose external PST unlocker software to recover password of a secured PST file.