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 remove Encrypted flag when copying a file from a HDD to a USB drive?

Environment: Windows 7, but applies to other EFS-compatible Windows versions I have a file that is encrypted using standard Windows EFS encryption. When I copy that file to a USB drive using Total ...
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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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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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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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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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How to manage and delete EFS certificate properly?

I've done my best to make this question as short and as precise as possible INTRODUCTION: After configuring EFS service trough group policy to encrypt my testing files I exported the ...
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Exporting EFS certificate directly from drive?

Is there any way to backup EFS certificates from a hard drive that contains the Windows 7 installation that made them but can no longer be directly booted into? In other words, I have access to the ...
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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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EFS encryption not available on removable NTFS drives

I have a Windows 7 machine and would like use EFS to encrypt some files on my external disk. The disk is formatted as NTFS, but when I go to the advanced properties of any file system object, 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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Recovering EFS files from an unbootable Windows partition

I have several folders that were accidentally EFS-encrypted because of a bug in Windows' built-in zip extraction function ...
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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 ...