About 2 weeks ago I was doing a decryption to a partition on an External HDD.. - encryption type:(Bitlocker Encryption). But Unfortunately my laptop had shut down during the operation. since then I have tried opening it using every way I know for painstaking 14 days. I have contacted Microsoft Customer Service,Which wasn't helpful at all! and sent me a provoking replay about I should have backed it up! despite that the Bitlocker is a Microsoft service! Is it possible to turn it back? and how this data is my work for 20 years.

  • 3
    The question is unclear. Were you removing bitlocker from the drive or copying data to an external drive?
    – HackSlash
    Commented Mar 22, 2019 at 19:48
  • Could you estimate how far along the decryption process had gotten when your laptop failed? Commented Mar 22, 2019 at 20:27
  • Insert the External hard drive. Type this command & show us the result: manage-bde -status <your drive>: Example manage-bde -status G:
    – DxTx
    Commented Mar 22, 2019 at 21:15
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    It would really help if you gave us a lot more details about your situation. What exactly were you doing? How were you doing it? What are some of the ways you tried to recover? What went wrong when you tried them? Commented Mar 22, 2019 at 22:59
  • Not having a backup is not Microsoft's fault, it's yours, entirely yours. Any data not stored in at least three distinct locations ought to be considered temporary. You now know why this is true. If the computer had been destroyed in a house fire would you blame Microsoft?
    – Tetsujin
    Commented Mar 23, 2019 at 20:08

2 Answers 2


This is too long for a comment.
If the data is valuable, you should always backup up the data.

Anyway...., you should be able to resume the process. Once the hard disk/partition is fully decrypted, then you might be able to access the data.

Plug in the external hard drive and try to resume the BitLocker decryption process.
You should also be able to do this by using commands.

manage-bde -resume [<Drive>]
manage-bde –resume C:

Source: Microsoft
Link: BitLocker frequently asked questions (FAQ)

What happens if the computer is turned off during encryption or decryption?

If the computer is turned off or goes into hibernation, the BitLocker encryption and decryption process will resume where it stopped the next time Windows starts. This is true even if the power is suddenly unavailable.

Other sources


It is possible that deleted data can be destroyed and not recovered. You should be able to identify that the data recovery software has recovered your data before you purchase it. Recover My Files does this by having a file preview window which allows you to view pictures and documents.

  • While this is a helpful suggestion, it does not actually make any attempt to answer the actual question, and it comes across as being more of an advertisement for the named software product than anything else. If you have more information that could be added to turn this into a good answer, please us the EDIT button and add this. If this is all you have to add, do not be surprised if this post is downvoted and/of deleted. Commented Mar 22, 2019 at 20:32

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