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UM4 file extension

The table below provides useful information about the .um4 file extension. It answers questions such as:

  • What is the .um4 file?
  • What program do I need to open a .um4 file?
  • How can the .um4 file be opened, edited or printed?
  • How can I convert .um4 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

✅ Samsung UHD TV Video

UM4 file is a Samsung UHD TV Video. UM4 is an encrypted H.265 video container.
UM4 format description not yet available
Category: Video files
Application: Samsung UHD TV
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
UM4 aliases:
UM4 related links:
UM4 related extensions:

Other types of files may also use the .um4 file extension.

🚫 The .um4 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

hm4, m4, um, umr

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Lorex Client Backup Data
M4 Macro File
The Land of UM Data
MyEclipse UML Model Repository Data

🔴 Can't open a .um4 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 .um4 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 .um4 file extension, write to us!

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