outlook error 0x80070021 a prosses has outlook files open and backup cannot run

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Ships of Glass

outlook 2007 backup. Upon exiting outlook error message appears about a process is keeping a file open and backup cannot run

Vinay - G

This problem is caused by an MS Outlook Add In which prevents Outlook from closing down. The add in that is usually responsible for cauysing this problem is the one that search/indexing tool. The cure is very simple:

With Outlook open go to Tools Menu

1. Click on 'Trust Centre'

2. On the left hand pane, choose Add-Ins and then near the bottom of the window you'll see a button that will let you manage your COM Add-Ins.

3. Ensure the drop down box is set to 'COM Add-Ins' and then click GO

4. Highlight Windows 'Search Email Indexer' and then click 'Remove'.

5. Click OK and then close Outlook.

6. Re-open Outlook and run the backup. (The program will tell you that Outlook needs to close first before backing up). All should then be OK.
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