Steps to Export a PST file in Outlook

Step 1: Open your outlook.
Step 2: Go to File and select Open and click Import option.
Step 3: Select Export to a file and then click Next.
Step 4: Select outlook Datafile(.pst) and then click on Next.
Step 5: Select the email account name that you wish to take a .pst file.
Step 6: Click Browse button and decide where you will export .pst file and then click OK.
Step 7: Click Finish.
Step 8: A password box will pop-up. Now you can set a password for .pst file.