How to copy or export the auto-complete file/list in Outlook?

Author: Kelly Last Modified: 2025-04-08

As we know, Outlook will save the auto-complete cache automatically, and then list the auto-complete cache when you type related letters in the "To"/"Cc"/"Bcc" field in email as below screenshot shown. Have you ever thought of copying or exporting the auto-complete list file from Outlook? This article will introduce a method for you!

Copy or export the auto-complete file/list in Outlook

the screenshot of step 1 about exporting the auto-complete file/list in Outlook

Copy or export the auto-complete file/list in Outlook

This method will guide you to open the folder containing the Outlook auto-complete list, and then copy or export these files from the folder.

1. Double click "This PC" on the desktop to open the file explorer, and display hidden files and folders with checking the "hidden items" option on the "View" tab in Windows 8/10. See screenshot:

the screenshot of step 2 about exporting the auto-complete file/list in Outlook

Note: If you are working in Windows 7, Please: (1) double click "Computer" on the desktop to open the file explorer; (2) click "Organize" > "Folder and search options"; (3) check the "Show hidden files, folders, and drivers" option and click the "OK" button in the Folder Options dialog box. See screenshot:

the screenshot of step 3 about exporting the auto-complete file/list in Outlook

2. Paste below folder path into the "Address" box in the file explorer, and press the "Enter" key.

Folder path of Outlook Auto-complete list: %username%\AppData\Local\Microsoft\Outlook\Roam Cache

the screenshot of step 4 about exporting the auto-complete file/list in Outlook

Now the folder containing Outlook auto-complete list is opening. The DAT files whose names begin with Stream_Autocomplete are Outlook autocomplete list files.

3. Select all Outlook auto-complete list files, right click and select "Copy" from the right-clicking menu. See screenshot:

the screenshot of step 5 about exporting the auto-complete file/list in Outlook

4. Go to the destination folder you will paste the copied Outlook auto-complete list files, and press "Ctrl" + "V" keys simultaneously to paste them in the folder.

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