How to back up a certificate, secret key after Win7 file encryption store operation

This key is characterized by the only use of this account in this system can be modified, even if you use this account to set up encryption after deleting the account and re-build an account with the same name is still unable to modify. And this key cannot be cracked. So once encrypted, reload the system or replace the account can not be modified. The only way to do this is to back up the key before reloading the system [1]. The Encrypt file operation is as follows, right-click the folder--and the General tab, select "Advanced" and tick "encrypt content to protect data".

When you encrypt a file, or a folder, the first time you encrypt it will prompt you to back up the certificate, if you did not back up, then this article can help you to back up the personal certificate afterwards.

The method is:

1. Run cmd as Administrator

2. Commands in the input

3. Select Export Personal Certificate

Note that when exporting, you choose to export the private key.

Reference articles

[1] ning know uncommon . Win7 file encryption and key backup, 2012-10.

How to back up a certificate, secret key after Win7 file encryption store operation