Back up Outlook e-mail messages

You should not export items (item: An item is the basic element that holds information in Outlook (similar to a file in other programs). Items include e-mail messages, appointments, contacts, tasks, journal entries, notes, posted items, and documents.) that were created in multiple languages or in a language that is not supported by your system code page to a file type that does not support Unicode. For example, if you have items that were created in multiple languages in a Microsoft Outlook Personal Folders file (.pst), you should not export the items to a Microsoft Outlook 97-2002 Personal Folders file (.pst). The latter file type does not support Unicode. Therefore, all items that contain characters in a language other than those supported by the system code page in text fields other than the body of items, such as ToSubject, and ContactName and BusinessTelephone Number properties of Contact items, will be interpreted incorrectly and displayed as question marks (?) and other unintelligible text.

  1. On the File menu, click Import and Export.
  2. Click Export to a file, and then click Next.
  3. In the list, click Personal Folder File (.pst), and then click Next.
  4. Click the folder that contains the messages you want to back up. If the folder contains a subfolder that you want to include, select the Include Subfolders check box, and then click Next.
  5. Under Save exported file as, click Browse, and then specify a name and location for your backup file, for example, Mail Backup.
  6. If you back up a .pst file that you have backed up to before, click one of the following:Replace duplicates with items exported Existing data will be overwritten with the information in the file being exported.Allow duplicate items to be created Existing data will not be overwritten, and duplicate information will be added to the backup file.

    Do not export duplicate items Existing data will be kept, and the duplicate information in the folder will not be copied to the backup file.

  7. Click Finish.

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