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RPMSG file extension

The table below provides useful information about the .rpmsg file extension. It answers questions such as:

  • What is the .rpmsg file?
  • What program do I need to open a .rpmsg file?
  • How can the .rpmsg file be opened, edited or printed?
  • How can I convert .rpmsg files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Microsoft Restricted Permission Message

Microsoft Restricted Permission Message .rpmsg file icon
The RPMSG file is a Microsoft Restricted Permission Message. A restricted-permission message can only be viewed by the intended recipient and is subject to restrictions on printing, editing, or copying much like a rights-managed HTML file.
Category: Document files
Application: Microsoft Outlook
Mime-type: application/x-microsoft-rpmsg-message
Magic number: -
Magic string: -
Sample: -
RPMSG aliases:
RPMSG related links:
RPMSG related extensions:
Microsoft Outlook E-Mail Message

Microsoft Outlook Express E-Mail

Microsoft Outlook Express Folder Database

Transport Neutral Encapsulation Format

Microsoft Outlook Known Feed List

Microsoft Outlook 2003 E-mail Cookies Data

Microsoft Outlook E-Mail Rules Data

Microsoft Outlook Message Log

Microsoft Outlook Express Junkmail Data

Microsoft Outlook Express Backup Database

Other types of files may also use the .rpmsg file extension.

🔴 Can't open a .rpmsg file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .rpmsg file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .rpmsg file extension, write to us!

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