Hi Outlook and OWA should open the file without an issue. Hope this helps. Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members...
An RPMSG file is a protected email message created by Microsoft Outlook, Microsoft's email and calendar application. It contains an encrypted email that only certain users can view, print, copy, or forward. Outlook sends RPMSG files as attachments to standard email messages; these attachments use...
To work around this issue, save the rights-protected e-mail message as a file on the hard disk. Then, open the file. Note Rights-protected e-mail messages use the .rpmsg file name extension. Workaround ...
Microsoft Outlook To open RPMSG file in Microsoft Outlook you need to launch it and then select File->Open... in the main menu In the File Open dialog select RPMSG file and click "Open" RPMSG files are transferred over e-mail or internet using application/x-microsoft-rpmsg-message multipur...