File Extension Library


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.RGU File Extension

  • Developer by: Microsoft Corporation
  • Category: System Files

What are .RGU files and how to open them?

Can't open .RGU file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .RGU file.

What is a .RGU file extension?

.RGU file extension is created by Microsoft Corporation. .RGU has been classified as System Files.

.RGU is Microsoft Windows Mobile registry entry

The rgu file extension is mainly related to registry files on Windows Mobile, an operating system used by various mobile platforms.

It's functions are basically the same as REG format on Microsoft Windows for PCs.

.RGU file format is deprecated and this file format is no longer supported.

Currently, .RGU file type is not actively used and is obsolete. This usually happens with system files in older operating systems, files from long-discontinued software, or with previous versions of some file types (documents, projects, images, etc.) that were replaced in later versions of the original programs.


How to open:

You can view these files in any text editor.

How to convert:

Probably cannot be converted to anything else.

How to fix problems with .RGU files

  1. You need to update the application that you normally use to open .RGU files. Only the latest version of the software supports the current .RGU file format
  2. You need to check the .RGU file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)