NOTE: You need to have RMS for individuals or an RMS enabled Office 365 account to use Microsoft Rights Management sharing application (RMS sharing app). You can register at https://portal.aadrm.com. You cannot use Microsoft Account (Live, Hotmail or Outlook.com) account to sign in.
RMS sharing app enables you to view protected files that others have shared with you (.ppdf, .ptxt, .pxml, .pjpg, .pjpeg, .ppng, .ptiff, .pgif, .pbmp, and .pfile file extensions).
RMS sharing app lets you breathe easy knowing your files are safe and can only be opened by users you trust and share with.