EFS (or Encrypting File System) is a feature included in some high-end versions of Windows Vista and 7 which allows the user to encrypt data on a filesystem level.

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How to set the “encrypt” attribute on the root folder?

There is an "Encrypt contents to secure data" checkbox for every folder on the drive, except the root folder. It's accessible by right-clicking a folder, and selecting "Advanced" properties:   ...
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Recover EFS Certificatate Dead MoBo

I created an encrypted file with Windows 7 32-bit on a NAS (mybooklive) and backed the file (not the certificate) up locally to the computer's hard drive. The original Win7 computer had a motherboard ...
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EFS File not accessable after reboot

I have encrypted a file with EFS for a user (let us name this "User X"). An application which is running as "User X", is able to access the encrypted file. It keeps working fine across log off and log ...
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Upgraded to Windows 10, forgot to backup EFS key for encrypted files

I recently upgraded to Windows 10. I realized I forgot to backup my EFS key so no I can't access my encrypted images. I even tried setting myself as the owner of them. Is the key stored in the ...
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cant get windows cipher.exe adduser to work

I'm trying to find examples on how to properly use cipher.exe. Most of the info I've found doesn't cover adding users so they can also view the encrypted file. I'm trying to create a script which ...
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Decrypt EFS-encrypted file (I do have certificate backup)

I have an encrypted folder on a Windows 8 machine, which was encrypted by another user-account (which I cannot boot into due to a corrupted profile). But I do have the private-key backup certificate ...
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2 users cannot share one encrypted offline files share

This question I asked over a year ago in the MS social forums, with the answer being that by design it is not possible. I still wonder whether one could hack around this limitation, without using ...
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EFS File encrypted with “System”

We're trying to set up EFS to secure a file share so that only a service account can access the files in it. Everything works fine, until we try to have an FTP process send files to the folder. ...
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How to turn off EDP on Windows 10

Since Windows 10 automatically updated to the latest version (November 2015 update I believe), all my EFS files are flagged with a lock icon. And when I copy an EFS-encrypted file to a FAT drive, it ...
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Backup EFS encryption key generated, but no encrypted files? Track what caused the key creation

In I started getting a weird message "Encrypting file system - Back up your file encryption key" a user experiences a prompt that I also experienced yesterday for the first time. Now the ...
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EFS not available on Windows 7 Home Premium: workarounds?

This may well be an easy question to answer. I am running Windows 7 Home Premium and my hard disk's file system is set to NTFS which in theory should support EFS. However I've read that EFS is only ...
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If you reset the password for a user can other users access the EFS encrypted files?

I have a user that's forgotten their password. I can log in and reset it but there were some EFS encrypted files. I can still access those files because my login is the security group. If I reset ...
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EFS Causes Some Applications to Fail

I have some files stored in an EFS (Encrypted File System) directory. Some programs, such as Visual Studio, fail when working with a project that is located in an EFS directory. As an example, Visual ...
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EFS locked me out all on its own?

I have a handful of files that are encrypted on disk. I am unable to access them or remove the encryption. I was able to access these files somewhat recently, as I can see when I copied some of them ...
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99 views

How to recover Windows 7's encrytion certificate (EFS) from formatted partitions?

I am a home user of Windows 7 ultimate. I am just a local admin for my computer. A standalone system. I am quite noob about computers. I formatted, Windows 7 installed(size 200gb) partition of 1tb ...
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Will enabling BitLocker remove EFS from already encrypted files in Windows 8.1?

There are a few files on my Windows 8.1 machine that are encrypted using EFS - BitLocker is currently disabled. I want to know whether BitLocker will look for, and remove EFS encryption from files if ...
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Restoring data from encrypted WinXP partition image

EDIT: it seems that the partition is encrypted with a full-disk encryption software that uses TPM—I don't see any other way the partition could be looking like it's fully encrypted, while at the same ...
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Cannot apply Encrypted attribute to shared Vista folder

I have a folder on Windows Vista Business that is shared. When I try to encrypt the folder (apply the Encrypted attribute), I get an error message: An error occurred applying attributes to the ...