Outlook backup - how to prevent duplicate emails being downloaded?

Soldato
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About to replace my 775 motherboard and Q6600 with a new motherboard and i7 so I'm looking at a reformat. Going through everything I need to backup and I'm about to make a copy of my .PST files in Outlook 2010 as well as all my Windows Live Mail folders (I use both Outlook and WLM). Now, I usually get there eventually and don't lose anything but it's always a bit of a to and fro trying to get everything backed up and set up properly again on a fresh install.

The issues I always come across are:-

While copying the .PST is just fine and dandy, when you fire up Outlook 2010 on the new machine after copying the .PST in there, it never opens with the same folder structure you just copied from the old machine. I can only assume this folder structure isn't contained within the .PST? If not, where is it and can it be copied over to the new machine?

I have two POP3 email addresses that are set to 'Keep a copy of the email on the server' until email is permanently deleted from the local machine, as I've lots of emails I simply cannot afford to delete. As a result, I copy over my .PST with all my current inbox/sent email and as soon as the PC connects to the net and checks for new email, I get almost 4 years of email downloading to the PC! :eek:

Is there any way to prevent this happening? I end up having to delete all the duplicates which takes absolutely ages.

Finally, is the best way to copy across all received and sent email to simply manually backup the .PST folder (Is that all I need, along with my contacts folder?) or to use the Export function within Outlook? I can never tell so I usually end up doing both but only using one method to restore. Last time I think I used the Export/Import method but it wasn't any smoother to do than manually doing it which I did the time before that.

Ta. :cool:
 
Cool, ta. Do you know if Windows Transfer will work going from W7 Home Premium to Windows 8.1? Toying with the idea of going with W 8.1 for this fresh install but I'm undecided as yet.
 
Cheers. Okeydoke. I'll make a manual backup of the .PST folders as well. So basically to prevent duplication of email messages, install Outlook on the freshly formatted PC, enter email account details then let it download all the email from the server and THEN import the backed up email using Windows Transfer but tick it not to restore duplicate emails?
 
Nope, run easy transfer before installing anything then install outlook and everything should be there along with all your account settings. Outlook will than download any messages not already in the inbox.

Ah, I see. How will Outlook know not to download duplicates of the emails still sat on the server though? :confused:
 
Well, meant to carry out the motherboard/CPU swap tonight but got sidetracked by a million other things so planning on doing it tomorrow morning. I'm going to give Windows Easy Transfer a pop first and if it goes wrong I'll fall back on the manual backups I've made of the PST files. I always hate the thought of reformatting/reinstalling Windows, initially at least, but needs must I 'spose.
 
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