Go to https://public. cyber. mil/pki-pke/end-users/getting-started/#toggle-id-1 in a web browser. If you don’t have administrator rights on the Windows PC, you’ll need to install the non-administrator version of InstallRoot. Click the Non Administrator link on the website to download it. If you do have administrator rights, you’ll need to download a different installer. Press Windows key + S, type msinfo32, and then press Enter. Next to system type, you’ll see either “x64-based PC” or “x86-based PC. " If you see x64-based PC, click the 64-bit link on the website to download InstallRoot. Once installed, click Run InstallRoot and click Yes if existing certificates are found. [2] X Research source Click Next on the “Installing DoD certificates is easy” windows. Select Install DoD Certificates and click the Install Certificates icon. Click Yes on the security warning, and then click OK once the certificates are installed.

Go to https://nps. edu/web/technology/dod-certificates and click Install DOD Certificates for Mac. Click the DoD RootCerts file link to download the certificates. Unzip the file once the download is complete. Open the Keychain Access app on your Mac. Click login in the left panel. Drag each of the certificates from the unzipped folder into the main area of Keychain Access. Click Add on each certificate. Once installed, double-click DoD Root CA3, and select Trust. From the “When using this certificate” drop-down menu, select Always Trust. Double-click DoD Root CA4, and select Trust. From the “When using this certificate” drop-down menu, select Always Trust. [4] X Research source

If you don’t have a CAC, you may still need to visit a RAPIDS site to complete your final verification. If you’ve already completed RAPIDS verification, follow up with your sponsor. [6] X Research source You can use any CAC reader that’s compatible with your PC or Mac to read your CAC card. If you’re not using Chrome or Edge, you may need to install middleware like ActivClient to properly access your certificates. [7] X Research source

US Air Force: If you’re on AFNet, go to https://webmail. apps. mil. If you’re in the Air Force and not on AFNet or using a VPN, go to https://owa. us. af. mil. US Army: Go to https://webmail. apps. mil/mail. If you get a “500 error,” you must migrate your email account. [9] X Research source Go to https://armyeitaas. sharepoint-mil. us/teams/EXOMigration/SitePages/Self-Submit-for-Migration. aspx, select Assisted Migration, fill out the form, and then click Save. US Coast Guard: If you’re connected to the CG network, go to https://outlook. uscg. mil. If you’re not connected to the CG network, go to https://mail. uscg. mil/owa. If you’re a Cutter user, go to https://mail. uscg. mil. US Marines: https://www. ohome. apps. mil (if using a USMC computer with Pulse Secure) or https://o365. usmc. mil from home. [10] X Research source US Navy: NADSUSEA: https://webmail. east. nmci. navy. mil NADSUSWE: https://webmail. west. nmci. navy. mil NMCI-ISF: https://webmail. isf. nmci. navy. mil NADSUSEA NCIS: https://webmail. ncis. nmci. navy. mil PADS: https://webmail. pacom. mil

NADSUSEA: https://webmail. east. nmci. navy. mil NADSUSWE: https://webmail. west. nmci. navy. mil NMCI-ISF: https://webmail. isf. nmci. navy. mil NADSUSEA NCIS: https://webmail. ncis. nmci. navy. mil PADS: https://webmail. pacom. mil

A note for army personnel: If your email address used to end with @mail. mil, you will need to replace “mail. mil” with “army. mil” to log in. Enter your email address and select Sign in with CAC/PIV. If you’re unable to access your Army email, you may need to migrate to Army365. Call the Army Enterprise Service Desk at 1-866-335-2769 for assistance. [11] X Research source

Click the gear icon at the top-right corner of the Outlook web app. Click Manage Add-ons. Scroll down in the left column and select S/MIME. Click click here in the center panel to install the add-on. Click OK. Close your browser window and log in again—now you can access all military email.