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Export a certificate with its private key
Learn how to export a certificate with its private key.
how-to
dknappettmsft
wscontent
02/16/2024

Export a certificate with its private key

If you already have a certificate installed on a Windows device and you want to install the same certificate on a Windows device that requires a private key, you can export the certificate with the private key. This article describes how to export a certificate from the Windows certificate stores of the local computer with the private key.

Prerequisites

Before you begin, you need:

  • A certificate installed with the private key to a certificate store of the local computer.

  • An Active Directory domain with an account that is a member of the Domain Admins or Enterprise Admins domain security group. For more information about using the appropriate accounts and group memberships, see Local and Domain Default Groups.

Export a certificate from the Windows certificate stores with the private key

To export a certificate from the Windows certificate stores with the private key:

  1. Open the certificate management console for the local computer by running the following command. Some methods of running this command are from the Start menu, the Windows Run prompt, PowerShell prompt, or command prompt.

    certlm.msc

  2. In the console tree, navigate to the certificate you want to export.

  3. Right-click the certificate, select All Tasks, and then select Export.

  4. On the screen Welcome to the Certificate Export Wizard, select Next.

  5. To export the private key, select Yes, export the private key, then select Next.

  6. For the file format, select Personal Information Exchange - PKCS #12 (.PFX). Check the box for Include all certificates in the certification path if possible, to include the whole certificate chain, then select Next.

  7. Check the box to enter and confirm a password to protect the private key, and select AES256-SHA256 for the encryption method, then select Next. It's important to guard the security of the private key.

  8. Enter or browse to the file path, then select Next.

  9. Review the summary, then select Finish.

Once the certificate is exported, you can import it to another device that requires the certificate with private key.

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