How to tell which program is using/locking a file?

Posted on 2011-10-07
Last Modified: 2012-06-22
We have 3 XP computers in a small workgroup (peer to peer) network. There is a Buffalo TeraStation NAS in the network as well. We have Outlook.pst files stored on NAS.
Recently, two of us could not open Outlook and got an error saying that outlook.pst file is in use by another program. Usually this problem will disappear by itself after a few hours. Restarting NAS and XP will not fix it.
I downloaded and installed "unlocker", but it said no programs were locking/using it.
Do you know any other programs that can tell what is locking/using a file on NAS

Question by:techcity
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    Accepted Solution

    Limits to using personal folders (.pst) files over LAN and WAN links

    I want to make sure you are aware of this.... PST files should NOT be used over the network.

    If anything, use a backup utility to store them to the NAS nightly.....

    How to automatically back up your personal folders file in Outlook

    I know this is not the direct answer you wanted, but in an effort to make sure your data is safe, I had to offer it....

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