當使用者想要將outlook的收件者清單記錄清除,一般只能有兩種方式
1.重灌outlook
2.重新設定outloom profile
但以下的方式可以解決這個問題
Outlook 2002 through Outlook 2007
Windows 7 or Windows Vista: Use the following steps to reset the whole Outlook nickname cache.
Exit Outlook.
Click Start, and then click click Computer.
Click Organize, and then click Folder and search options.
On the View tab, click to enable the Show hidden files, folders, and drives option.
Click OK.
On the Start menu, click All Programs, click Accessories, and then click Run.
In the Run dialog box, type the following command (including the quotation marks), and then click OK:

“C:\ Users\UserName\AppData\Roaming\Microsoft\Outlook”

Note Username in this path is the name of the currently logged on Windows user.
Right-click the .NK2 file that has name of the profile that you want to reset, and then click Rename.
Rename the file as profilename.bak, and then press ENTER.
Start Outlook.

http://support.microsoft.com/kb/287623/en-us