Outlook has cached email addresses which are no longer valid. Can I get rid of them?

Note: This will not affect your Global Address list or any of your contacts list. This merely deletes the cache which pops-up suggested email addresses when you start typing an address in Outlook.

Microsoft Windows XP only:

1.	Quit Outlook.
2.	Start Microsoft Windows Explorer.
3.	On the Tools menu, click Folder Options, and then click the View tab.
4.	Under Advanced Settings, click to select the Show hidden files and folders check box.
5.	Click OK.
6.	Click Start, point to Search, and then click All files or folders.
7.	In the Search Companion box, type .NK2 in the All or part of the file name box:* box.
8.	In the Look In box, click to select your local hard disk.
9.	Click Search.
10.	Right-click the .NK2 file with the name of the profile that you want to reset, and then click Rename.
11.	Rename the file to `profilename`.bak, and then press ENTER.
12.	Quit Windows Explorer.
13.	Restart Outlook.

Outlook will generate a new nickname cache.

Microsoft Windows 2000 and Microsoft Windows ME only:

1.	Quit Outlook.
2.	Start Windows Explorer.
3.	On the Tools menu, click Folder Options, and then click the View tab.
4.	Under Advanced Settings, click to select the Show hidden files and folders check box.
5.	Click OK.
6.	Click Start, point to Search, and then click For Files or Folders.
7.	In the Search for Files or Folders box, type .NK2 in the File Name* box.
8.	In the Look In box, click to select your local hard disk.
9.	Click Search Now.
10.	Right-click the .NK2 file with the name of the profile that you want to reset, and then click Rename.
11.	Rename the file to `profilename`.bak, and then press ENTER.
12.	Quit Windows Explorer.
13.	Restart Outlook.

Outlook will generate a new nickname cache.

Microsoft Windows NT 4.0 and Microsoft Windows 98 only:

1.	Quit Outlook.
2.	Start Windows Explorer.
3.	On the Tools menu, click Folder Options, and then click the View tab.
4.	Under Advanced Settings, click to select the Show all files check box.
5.	Click OK.
6.	Click Start, point to Search, and then click For Files or Folders.
7.	In the Named box, type *.NK2.
8.	In the Look In box, click to select your local hard disk.
9.	Click Find Now.
10.	Right-click the .NK2 file with the name of the profile that you want to reset, and then click Rename.
11.	Rename the file to `profilename`.bak, and then press ENTER.
12.	Quit Windows Explorer.
13.	Restart Outlook.

Outlook will generate a new nickname cache.

Keywords:

delete outlook nickname cache

Knowledge Base

Outlook has cached email addresses which are no longer valid. Can I get rid of them?

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