Windows 10: MSO Outlook: Copy PST file to 2nd PC, downloads the old emails again

Discus and support MSO Outlook: Copy PST file to 2nd PC, downloads the old emails again in Microsoft Office and 365 to solve the problem; I have desktop & laptop PCs. Both run Win10 PRO and Office 365. The desktop is my "master" PC, the laptop a "slave" when away from home, on holiday,... Discussion in 'Microsoft Office and 365' started by tpriest, Jun 11, 2021.

  1. tpriest Win User

    MSO Outlook: Copy PST file to 2nd PC, downloads the old emails again


    I have desktop & laptop PCs. Both run Win10 PRO and Office 365. The desktop is my "master" PC, the laptop a "slave" when away from home, on holiday, etc. I sync the files on my laptop with those on the desktop. The desktop holds in Outlook's .PST files all my emails downloaded and filed away into appropriate folders, keeping my Inbox to a minimum. I have the option set to keep the emails on the server, this also means I can access them from my phone. If I copy the Outlook's .PST files from desktop to laptop and then run Outlook on the laptop, all the old emails are downloaded again creating duplicates. It seems that the knowledge that the emails have been downloaded is not being transferred with the .PST file. Is there any way to stop this 2nd downloading?

    :)
     
    tpriest, Jun 11, 2021
    #1
  2. tpriest Win User

    MSO Outlook: Copy PST file to 2nd PC, downloads the old emails again

    I have desktop & laptop PCs. Both run Win10 PRO and Office 365.

    The desktop is my "master" PC, the laptop a "slave" when away from home, on holiday, etc. I sync the files on my laptop with those on the desktop.

    The desktop holds in Outlook's .PST files all my emails downloaded and filed away into appropriate folders, keeping my Inbox to a minimum. I have the option set to keep the emails on the server, this also means I can access them from my phone.

    If I copy the Outlook's .PST files from desktop to laptop and then run Outlook on the laptop, all the old emails are downloaded again creating duplicates.

    It seems that the knowledge that the emails have been downloaded is not being transferred with the .PST file.

    Is there any way to stop this 2nd downloading?
     
    tpriest, Jun 11, 2021
    #2
  3. newtekie1 Win User
    Outlook PST File Problem

    That is exactly what I was going to suggest. Export everything to another PST file, delete the old(or rather move it out of the default folder) and replace it with the new PST file that you exported.
     
    newtekie1, Jun 11, 2021
    #3
  4. marcbkk Win User

    MSO Outlook: Copy PST file to 2nd PC, downloads the old emails again

    Outlook PST File Problem

    Thanks again everyone. I just did an export on the troubled PST file to create a new PST file from it and the file size went from 3.9GB down to 850MB. Then I installed the new PST file into Outlook that I just created and removed the old PST file from Outlook and all seems to be working fine so far. I think I am good now, but I will give it some time just to make sure there are no problems before I delete the old file. Thanks again.
     
    marcbkk, Jun 11, 2021
    #4
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MSO Outlook: Copy PST file to 2nd PC, downloads the old emails again

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