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Outlook 2010 also creates a contact for people you send mail to, as insurance if the autocomplete cache becomes corrupt. See Suggested Contacts and Auto-Complete Lists to learn more about Outlook 2010's autocomplete cache and suggested contacts. Instructions are at Outlook doesn't save Autocomplete. If addresses are not saving in the auto-complete list between Outlook sessions and clearing the cache doesn't fix the problem, you may need to delete the RoamCache file.
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Press Windows key + R to open the Run command and type or paste the following line and press enter to start Outlook. You can also use the /cleanautocompletecache switch to clear the cache.Ĭlose Outlook. You can type or paste %localappdata%\Microsoft\Outlook\RoamCache in the address bar of Windows Explorer then press Enter to open the folder location where the cache is stored in a file named Stream_Autocomplete_0_.dat.Ĭlear the autocomplete cache using the File, Options, Mail, Empty Auto-complete list button. Close and re-open your Outlook.You can clear the entire autocomplete file: in older versions you need to delete the *.NK2 file from your hard drive, while Outlook 2010 and newer has a button to clear the Autocomplete cache in Options (screenshot below).īeginning with Outlook 2010, Outlook does not use the NK2 file it stores the autocomplete cache in the mailbox or data file and caches the addresses in an autocomplete stream at C:\Users\%username%\AppData\Local\Microsoft\Outlook\RoamCache. Step Four: Uncheck the box labeled: Use Cached Exchange Mode. Step Three: Select your account, and click Change. Step Two: Click on Account Settings, and then Account Settings again in the drop down menu. Please revert back to Cached Exchange Mode once the issue is resolved.) Online Mode (This is a last resort, and can cause issues in other areas.
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After a minute or two, your download will be complete. Leave default selection as \Default Global Address List. Step Four: In the box that opens, make sure the box is checked. Step Three: Click on Download Address Book (this option will only be available in Cached Exchange Mode. This will ensure that Outlook is using the updated information from the GAL. If they also appear in your Contacts list (Click on People on the bottom toolbar of Outlook), you will need to delete them. For internal CWU addresses, the only place they should appear is in the Address Book, under Global Address List. Sometimes duplicate contacts can be stored in Outlook. Their name will appear underlined as below.
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This will populate the new mailbox information. Step Five: Click Ctrl+K to auto search the Global Address List. Step Four: Begin typing their name again. Step Three: Click the X next to their name when it pops up to clear the cached information on that mailbox.
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Step Two: Start typing users email address. Work your way down the list until the issue is resolved. You may only need to do one of these fixes to solve your particular problem. When administrators make changes to mailboxes and resources, cached information can keep these changes from making it to your Outlook Client. To completely clear all cached information in Outlook, there are three areas to check. Cached information can cause old information to persist in your Outlook Client.