Download and install RMS sharing application in Mac OS

  1. Open the RMS sharing application download page at
  2. Click the Mac OS icon in the download page.
  3. Select Mac OS to download
  4. The RMS sharing application in iTune will be shown as below.  Click “View in Mac App Store”.
  5. iTune
  6. In the App Store page, click “Next” to start the installation.  Click “Get” and “Install App” to install the RMS sharing application.
  7. App Store
  8. You will be prompted to sign in the RMS sharing application when you use it for the first time. Please login in with and HKU Portal PIN.
  9. Sign in Microsoft with and HKU Portal PIN
  10. You can open a file protected by RMS with file extension .ppdf/.ptxt/.pjpg/.ppng/.pgif/.pfile
    1. In Microsoft Outlook/OWA/File Explorer, double click the document you want to open.
    2. The document will be opened with RMS sharing application. You can view your permission granted by clicking the button highlighted below.
    View permission


Multi-Factor Authentication

February 2024
February 2024

Mandatory for all staff accounts

May 2024
May 2024

Mandatory for all student accounts