If you enter many friendly nicknames in your Personal, or Outlook Address Book, Microsoft Outlook 97 may not correctly resolve the least recently used entries.

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Outlook caches nicknames; when you use a nickname, it moves to the head of the cache list. If you fill the cache, the least recently used nicknames are removed. If you try to use a nickname which is no longer in the cache, it may not resolve correctly.

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Microsoft has confirmed this to be a problem in Microsoft Outlook 97 for Windows. This problem was corrected in Microsoft Outlook 97 version 8.02 for Windows.

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Outlook 97, Service version 8.02 improves the nickname cache the following ways:

•	It uses an improved method for storing nicknames, making it easier to control and flush the nickname list.
•	It defaults to a 64 entry limit for the nicknames list and allows you to increase this limit through the Windows Registry.

The new cache method uses a file to store nicknames. The following registry key identifies the nickname file:

HKEY_CURRENT_USER\Software\Microsoft\Office\8.0\Outlook\AutoNameCheck NicknamePath = <full path to nickname file>

The new cache size defaults to a 64 entry limit unless you specify another size in the following registry key:

HKEY_CURRENT_USER\Software\Microsoft\Office\8.0\Outlook\AutoNameCheck MaxNicknames = <maximum number of entries (defaults to 64 if key does not exist)>

For additional information about how to clear the nickname cache, please click the article number below to view the article(s) in the Microsoft Knowledge Base:

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