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Windows 7: Previous versions of files, does it backup ALL files?

18 May 2012   #1

Windows 7 Ultimate x64
 
 
Previous versions of files, does it backup ALL files?

hi there

i have a question related to "Previous versions of files" which i have to say is pretty handy...

i wanted to know, if i enabled it on a partition where i have lets say "DATA", which in effect has movies, photos and documents (xls, jpegs, mkvs, movs, avis, etc etc), would that back up the ENTIRE partition? for instance if i have a movie of 2gb, will that be backed up as well?

i currently have it enabled on C: which is the windows/programs partition only..

as far as i can tell you cannot choose which files are going to be backed up or maybe i am missing a setting somewhere?

thanks
Gab

My System SpecsSystem Spec
.

18 May 2012   #2

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Yes. It works well on a data partition. If there are no system data on the partition select the only restore previous versions option.

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It doesn't actually back therm up. It keeps them in shadow storage so it is not a true backup. When your allocated shadow storage is used up it will delete the oldest version. As you can see I have 1% of my disk allocated. That gives me a couple of months of versions. You will need to experiment with what works for you


My System SpecsSystem Spec
18 May 2012   #3

Windows 7 Ultimate x64
 
 

hi there

maybe i have explained in the wrong way.....

if i turn it on on my D: drive that is my DATA partition, i called it that way, could have been "TODAYS" or whatever, and if i have lets say a 2gb movie there, is it going to be backed up or not?

or that depends by the "maximum" filesize i will put, say 5% means 1 gb, then what is it going to back up automatically? all documents but not big movies? how is he going to decide what to backup, on what basis?

thanks
gab
My System SpecsSystem Spec
.


18 May 2012   #4

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

It doesn't work that way. It is an all or nothing thing. When you create a restore point it keeps references to the changed files in shadow storage and differences the changes at the block level. In my case I have about 500GB of data and 11GB reserved for it gives me a couple of months worth of versions. Tis Wikipedia article may give you an idea of what is going on Shadow Copy - Wikipedia, the free encyclopedia
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 Previous versions of files, does it backup ALL files?




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