Does that help in what way? I don't know whether you leave your computer on at night and don't know what other software you might be running that could be talking to Outlook. PDA sync was just one example. I've hardly ever looked at .pst date/times myself.
--
Sue Mosher, Outlook MVP
Author of Microsoft Outlook 2007 Programming:
Jumpstart for Power Users and Administrators
http://www.outlookcode.com/article.aspx?id=54
"Ray M" <(E-Mail Removed)> wrote in message news:CE70DA31-2711-4C6F-A460-(E-Mail Removed)...
> Thank you for quick reply.
> I do have a PDA but do not sync it to Outlook. Also, sometimes the date/time
> is in the middle of the night 1-3AM when asleep. Does that help?
>
> "Sue Mosher [MVP-Outlook]" wrote:
>
>> An external application, such as a PDA sync utlity, could be accessing Outlook data but showing no UI.
>>
>> "Ray M" <(E-Mail Removed)> wrote in message news:A486A998-8850-4654-A3E9-(E-Mail Removed)...
>> > Why would the date/time of the outlook.pst file change when outlook is not
>> > opened? Causing an issue when I sync between desktop and laptop.
>> > --
>> > Ray
>>