Can I decrypt Time Machine for Windows?

So a couple months ago I needed to sell my MBP Retina to cover some car expenses. I knew I would get another Macbook or laptop at some point, so I got my buddy to back up my hard drive on his external HDD. Little did did I know using time machine encrypted everything to Mac files, and the HDD became unreadable when plugged into his Windows.


well now I'm considering a Macbook Air, or a Surface Pro 3. Well, if I go with the Surface, how can I upload all of my files onto it's hard drive if the external is encrypted using Time Machine. I could care less about some of my files, but I have about 20 GBs of music on the external that I in no way want to lose. Any advice would help.

Posted on Jul 28, 2014 7:11 PM

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16 replies

Jul 28, 2014 9:27 PM in response to Linc Davis

Well, I've owned about 5 MacBooks and loved them all, so it's highly likely I'll stick with them, since I just love the user interface. I've just got to learn to buy a model that doesn't have more specs than I actually need, thus saving me money. I was just curious about the Surface, and decided to look into it In case I wanted to switch to that when I next bought my laptop (probably within the next 2 months)


I was just curious if I ended up with a Windows computer, if I could decrypt that external I'm holding onto.

Jul 30, 2014 6:39 AM in response to jcp42877

Time Machine when backing up from a Mac to a locally connected hard disk allows you to chose whether to encrypt that hard disk or not. Most people would not need to encrypt it.


It is possible the drive in this case is despite what you are currently thinking not encrypted, it will however be formatted as a Mac compatible hard disk and not as a Windows compatible hard disk. This means it will likely be partitioned using the GUID scheme rather than the Master Boot Record scheme, and also that the partition/volume will be in HFS+ format and not FAT32 or NTFS.


No while it is certainly true you are not going to be able to read an encrypted Mac disk on the Windows PC, it is possible to read a Mac formatted but non-encrypted disk on Windows. To do this will however require installing additional software for Windows to let it understand HFS+ format partitions.


There are several utilities available to let Windows read (unencrypted) HFS+ volumes, below are some of them.


http://www.mediafour.com/products/macdrive

http://www.paragon-software.com/home/hfs-windows/download.html

free version of above for Windows8/8.1 http://www.paragon-software.com/home/hfs-windows-free/


Note: If a Mac backs up to a network Time Machine server instead of a local hard disk then it will always be encrypted, however your friend is unlikely to have used a server to do this so it would not apply. However if you have used a Time Capsule made by Apple then this is a WiFi router with a built-in network Time Machine server and this would be encrypted. I still suspect this does not apply either.


Finally, assuming you are able to connect it to the PC and using a tool like those listed above read it Windows itself will not have a Time Machine client to navigate the backups, you will therefore have to do the handwork yourself. This should be possible though, you would navigate to the relevant folder and copy from it to your Windows drive. DO NOT try doing a file-search, I cannot see Windows being able to cope with searching all the links Time Machine uses.

Jul 30, 2014 8:29 AM in response to BobHarris

BobHarris wrote:

You can also consider a dual-boot OSX and Windows setup (with or without bootcamp) on a single Mac..

That does not help him get a Microsoft Surface computer, unless he wants to try ripping the screen off of a Macbook Air 😁


jcp42877 wrote:

well now I'm considering a Macbook Air, or a Surface Pro 3.

The Surface is an evaluation, but since the OP is familiar with Macs, in general, the Mac+Windows route may be an option to retrieve data from the TM backup. 😉

Jul 30, 2014 8:40 AM in response to Loner T

The Surface is an evaluation, but since the OP is familiar with Macs, in general, the Mac+Windows route may be an option to retrieve data from the TM backup.

I think it was the hardware that was attracting the OP, not Windows. If the OP goes with a Macbook Air, and considering the OP has had 5 previous Macs, I really do not think the OP would really want Windows all that much. The Surface offers a tablet w/keyboard and cost saving to the OP.

Personally I would stay with the Mac, but I'm not the OP and my needs and expenses are not the same as the OP's.


I think John Lockwood's suggestions offer the best hope for the OP at this moment.

Jul 30, 2014 10:19 AM in response to BobHarris

I know this is NOT what the OP (jcp42877) wants, but here is a ModBook which converts a Macbook Pro to a tablet for only $1999 (you must provide the Macbook Pro 😊 )

<http://www.engadget.com/2014/07/30/retina-modbook/>


I do realize jcp42877 is trying to save costs, not have a Mac based tablet, but I thought it was funny that this should appear at this time.

Jul 30, 2014 10:39 AM in response to jcp42877

I appreciate all the feedback! And yes, the couple of you that mentioned it are correct. I was looking at the Surface from a hardware standpoint rather than switching to Windows 8. I figured if I bought that, I could learn to enjoy Windows, but I really am addicted to the Mac setup, not to mention I "know it" better. Will probably just stay on the lookout for a good deal on a MacBook Air, and hopefully by the time I get that, the iphone 6 will be released, and I can upgrade my phone (been on the line about the Galaxy S5), making both my choices still stay in the Apple realm, haha. I know if I got another Mac, the upload of the external won't be a problem at all, so I'll probably just stick with that.

Jul 30, 2014 10:48 AM in response to John Lockwood

it is possible to read a Mac formatted but non-encrypted disk on Windows. To do this will however require installing additional software for Windows to let it understand HFS+ format partitions.



Well, there is the problem with the licensing agreement for Apple software:


http://images.apple.com/legal/sla/docs/OSX109.pdf


It stipulates that the software must be run on an Apple branded computer.

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Can I decrypt Time Machine for Windows?

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