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Creating and Backing Up an EFS Security Certificate in Windows 7

Once you’ve used Windows 7 to set up Encrypting File System (EFS) on your computer, you need to create a security certificate and key (password), and then associate it with your encrypted files. You will also need a way to recover encrypted data on your hard disk if your security certificate is deleted or corrupted. Otherwise, all is lost!

To ensure you can always access your encrypted data, store a backup copy of your encryption certificate and key on a removable USB drive (along with your Windows Password Reset Disk). To create a security certificate, back it up, and associate it with your encrypted files, follow these steps:

1

Open the Windows Control Panel, and then click User Accounts and Family Safety.

The User Accounts and Family Safety window appears.

2

Click User Accounts.

The User Accounts window appears.

3

In the left pane, click Manage Your File Encryption Certificates.

If this option isn't listed in the left pane, you haven't yet set up an Encrypting File System (EFS). Refer to Windows 7 Help for further details.

4

In the Encrypting File System dialog box, click Next.

The Select or Create a File Encryption Certificate screen appears.

5

Select Create a New Certificate and click Next.

Next, you choose which type of certificate you would like to create.

6

Select A Self-Signed Certificate Stored on My Computer and click Next.

Windows creates a certificate for you.

7

Click View Certificate to view the certificate.

The certificate and its details are displayed on the various tabs.

8

Click OK.

The Back Up the Certificate and Key screen appears.

9

Select Back Up the Certificate and Key Now and click the Browse button. Browse to the location you would like to store your certificate. Give the certificate a name, enter a password, and click Next.

You may want to store your certificate on a removable USB drive.

10

Select the individual files and folders (or the entire drive) that you would like to associate with the newly created (and backed up) EFS certificate and key. Click Next.

Windows updates your encrypted files and folders with the new certificate and key. This step will take some time depending on the amount of data that is encrypted.

   
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