How to backup or copy Outlook autocomplete list?

Back up the list of recently used emails in Microsoft Outlook

Microsoft Outlook maintains a list of recently used email addresses that you have entered in the To, Cc, and Bcc fields of an email message. Back up or copy this file to another location if you want to keep the list or use it on another computer.

The instructions in this article apply to Outlook 2019, Outlook 2016, Outlook 2013, Outlook 2010, and Outlook for Office 365.

Backup Outlook AutoComplete List

Outlook stores most of your important data in a PST file, such as email messages, contact list, and calendar items. The auto-complete list that appears when you enter a name or email address is saved in a hidden message.

  1. Check your version of Office. Open Outlook and go to File Office account (or account About Outlook † You will see 64 bit or 32 bit in the list above.

  2. Close Outlook.

  3. Download MFCMAPI. There is a 32-bit and 64-bit version of MFCMAPI. Download the correct one for your version of MS Office, not your Windows version.

  4. Extract the file MFCMAPI.exe from the ZIP archive and then open the EXE file.

  5. In MFCMAPI go to section Session Entrance

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  6. Click the drop-down arrow Profile name and select the desired profile. Maybe one is called outlook.

  7. Select Okay

  8. In column Display name double-click your Outlook email profile.

  9. In the viewer, select the arrow to the left of root to expand it.

  10. To expand IPM_SUBTREE

    if you don’t see it IPM_SUBTREE select Save top information or Outlook Top Data File

  11. Right click inbox

  12. Select Open linked table of contents

  13. Go to section Subject right click IPM.Configuration.Autocomplete and choose Export message

  14. in the window Save message to file select drop-down arrow Format for saving the message and choose MSG file (UNICODE)

  15. Select Okay

Save the MSG file in a safe place. Now you can exit MFCMAPI and use Outlook normally.

If you are replacing the NK2 file on another computer, replace the original by either changing the file name or deleting the one you no longer need. Then place your new NK2 file there.

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