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outlook 2010 restore auto complete names

Posted on 2015-01-29
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Last Modified: 2015-01-30
I have a user running Outlook 2010 that had a corrupt Exchange 2007 mailbox. I backed up his mailbox, deleted the mailbox, created a new one and restored his email. The only thing missing are the auto complete names.

Is there a way to recover them on his computer? Are they cached anywhere that I can retrieve them?

Makes me miss the nk2 file
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Question by:ajdratch
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VB ITS earned 500 total points
ID: 40577356
Yep the AutoComplete entries for the old profile can be found in the C:\Users\%username%\AppData\Local\Microsoft\Outlook\RoamCache folder in the form of a Stream_Autocomplete_xxx.dat file.

This is how I personally recover the AutoComplete cache in Outlook 2010/2013:
- Close out of Outlook
- Rename the RoamCache folder in the above path to RoamCache.old
- Start up Outlook
- Create a new email message
- Send an email to the user's own address
- Monitor the C:\Users\%username%\AppData\Local\Microsoft\Outlook folder and watch for the RoamCache folder to recreate itself
- I have found that sometimes the RoamCache folder doesn't get recreated unless you re-open Outlook
- Once the RoamCache folder has been recreated, close out of Outlook again
- Copy the Stream_Autocomplete_blahblahblah.dat file from RoamCache.old to RoamCache - take careful note of the filename
- Rename the Stream_Autocomplete.dat file which was already in the RoamCache folder to Stream_Autocomplete.dat.old
- Rename the old Stream_Autocomplete.dat file to match the recently created Stream_Autocomplete.dat filename (i.e. the one we renamed to .dat.old)
- Open Outlook and create a new email message, the AutoComplete entries should be back

I know the above seems a bit convoluted and messy but it almost becomes second nature after you do it a few times.

Alternatively if the above is too much for you, you could just look at using NK2Edit to try and recover the cache: http://www.nirsoft.net/utils/outlook_nk2_edit.html

Yes, despite its name NK2Edit does work with Outlook 2010 and 2013.
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Author Comment

by:ajdratch
ID: 40577442
I checked and it appears the folder was overwritten when I setup the new mailbox so the old information is not there
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LVL 24

Expert Comment

by:VB ITS
ID: 40577453
There should be more than one Stream_Autocomplete_x_xxx.dat file in the RoamCache folder though. Is this not the case?
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Author Closing Comment

by:ajdratch
ID: 40579659
That did it. Thanks
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