how to export PST file from outlook

If you want to back up only important of your Outlook data, you can create a new backup .pst file of only the data that you want to save.for example you want use only important data of PST file, and ignore other less important, You can export only the important folders or contacts

to do this follow these steps

• Open Outlook
• On the File menu, click Import And Export. If the menu item is not available, hover your pointer over the chevrons at the bottom of the menu, and then click Import and Export
• Click Export To File, and then click Next
• Click Personal Folder File (PST) , and then click Next
• Click the folder that you want to export the .pst file to, and then click Next
• Click Browse, and then select the location where you want the new PST file to be saved
• In the File Name box type the name that you want to use for the new PST file, and then click OK
• Click Finish