You can share encrypted files with another person, or between two computers.
To share encrypted files with another person (for example, by giving the files to another person on a USB flash drive), you'll need to put the other person's encryption certificate on your computer. This is a two-step process: the person you want to share the file with needs to first export their certificate and give it to you (for example, by sending it to you in e-mail), and then you need to import the certificate to your computer. After you have imported the certificate, you need to add it to the file you want to share.
If you have two computers and you want to be able to work with files that you have encrypted on both computers, you must first export your encryption certificate and encryption key from one computer, and then import it to the other computer.
Share encrypted files with another person
Follow the steps below to share files that you have encrypted with another person.
The person with whom you want to share files needs to export their EFS certificate and give it to you.
1.
Open Certificate Manager by clicking the Start button , typing certmgr.msc into the Search box, and then pressing ENTER.
2.
Click the arrow next to the Personal folder to expand it, and then click the EFS certificate that you want to export.
3.
Click the Action menu, point to All Tasks, and then click Export.
4.
In the Certificate Export Wizard, click Next.
5.
Click No, do not export the private key, and then click Next.
6.
On the Export File Format page, click Next to accept the default format.
7.
The export process creates a file to store the certificate in. Type a name for the file and the location (include the whole path), or click Browse, navigate to the location, and then type the file name.
Follow the steps below if you want to use your encrypted files on two computers. You need to first export the EFS certificate and related key on the computer that contains your encrypted files, and then import them on the computer to which you want to add the files.
Open Certificate Manager by clicking the Start button , typing certmgr.msc into the Search box, and then pressing ENTER.
2.
Click the arrow next to the Personal folder to expand it, and then click the EFS certificate that you want to export.
3.
Click the Action menu, point to All Tasks, and then click Export.
4.
In the Certificate Export Wizard, click Next.
5.
Click Yes, export the private key, and then click Next.
6.
Click Personal Information Exchange, and then click Next.
7.
Type the password you want to use, confirm it, and then click Next.
8.
The export process creates a file to store the certificate in. Type a name for the file and the location (include the whole path), or click Browse, navigate to the location, and then type the file name.
Open Certificate Manager by clicking the Start button , typing certmgr.msc into the Search box, and then pressing ENTER.
2.
Click the Personal folder.
3.
Click the Action menu, point to All Tasks, and click Import.
4.
In the Certificate Import Wizard, click Next.
5.
Type the location of the file that contains the certificate, or click Browse, navigate to the file's location, and then click Next.
If you navigate to the right location, but don't see the certificate you are importing, then, in the list next to the File name box, click Personal Information Exchange.
6.
Type the password, select the Mark this key as exportable check box, and then click Next.
NoteDo not select the Enable strong private key protection check box.
7.
Click Place all certificates in the following store, choose Personal, and then click Next.
A sequence of symbols or characters used to scramble or unscramble information that is being encrypted or decrypted.
Certificate
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Certificate
A digital document that verifies the identity of a person or indicates the security of a website. Certificates are issued by trusted companies known as Certification Authorities.
Location
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Location
Any disk drive, folder, or other place in which you can store files and folders. Programs will commonly ask you to choose a location to save a file.
USB flash drive
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USB flash drive
A small device used to store information. USB flash drives plug into computer USB ports so you can copy information to or from them, making it easy to share and transport information.
Encrypted
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Encrypted
The condition of information being scrambled so that it can be read only by someone who has the appropriate key to unscramble it. Encryption can be applied to files or to information exchanged over a network connection.
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