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Option 1: Email the certificate files to yourself A trusted credential installed on your device is making this possible." "A third party is capable of monitoring your network activity, including emails, apps, and secure websites. On Android devices, the following standard security notification may appear occasionally after installing new root certificates: View a video about using digital signatures on Android devices. Use digital signatures for email with Apple Mail and Outlook for macOS.
![nine email nine email](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/1d/60/d8/1d60d823-63b0-58b1-0f00-399e4e939033/source/200x200bb.jpg)
If you are unable to locate the certificate file on your computer, you can use a certificate management application to export it refer to the following instructions for Windows or macOS systems: pfx format) saved to your personal computer and remember the PIN you used to encrypt it (as described in Getting an S/MIME client certificate at IU).
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