How to – Backup Outlook in PST
This is a simple guide to manually backup outlook in PST file
Access the Import and Export Wizard
Start in your Outlook inbox, and click the File tab.
Click the Open & Export option:
Click the Import/Export button.
Select the Export to a file option and then click the Next> button at the bottom of the wizard. The Wizard prompts you to select a file type
Choose the Outlook Data File (.pst) option. Click the Next> button. Next, you’re prompted to select an Outlook folder that you want to export data from
Use the scrollbar to move up and down to see all your current Outlook folders. When you’ve selected a folder, click the Next> button.
On the next step, browse to find a path to export the Outlook data file. Or, you can save the file in the default path. If you save the file in the default path, you’ll need to specify whether you want to allow duplicate items. You can also change the file name on this prompt, which is a good idea, because the file name default is: backup.pst. Remember the file name and Outlook PST file location you selected so that you can find your Outlook PST file later.
When you’ve made your selections, click the Finish button at the bottom of the prompt. You’re prompted to create a password. This is an optional step, but it could be important if the data you’re backing up is sensitive and needs to be protected.
After you’ve exported your selected folder to a PST file, you can check to see whether the file is there by opening the folder in File Explorer.