Sorts of M4S Files

Dominant M4S File Type

.M4S

File Name:	.m4s
Class:	Myst IV: Revelation Save Game File

The file is used for default save game files in Myst IV: Revelation, an adventure computer game. It stores the player's progress in the game.

Programmer:	Ubisoft
Class:	Game Files
Subkey:	HKEY_CLASSES_ROOT\.m4s

Software Programs That Open The Myst IV: Revelation Save Game File:

Myst IV: Revelation by Ubisoft

Windows

Mac

Xbox 360

Secondary M4S Associations

.M4S

File Name:	.m4s
Class:	MP4Box HTML5 MP4 Video Segment

The M4S file stores MP4 video segments to stream video through the Internet to HTML5 video player. The segments have about ten seconds of video data.

Programmer:	Open Source
Class:	Video Files

Software Programs That Open MP4Box HTML5 MP4 Video Segment Files:

MP4Box by Open Source

Compatible with:

Windows

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Troubleshoot M4S Files

Common M4S Opening Problems

Myst IV: Revelation Disappeared

When trying to open your M4S file, you get the error "Can't Open M4S File Type". Customarily, this means that Myst IV: Revelation is not installed on %%os%%. This will prevent you from double-clicking to open the M4S file because the OS doesn’t know how to handle it.

Tip: If you don't have Myst IV: Revelation installed, and you know of another program to open your M4S file, you can try opening it by selecting from the programs listed under "Show Apps".

Myst IV: Revelation Requires Update

It is possible that your version of Myst IV: Revelation isn't able to open your Myst IV: Revelation Save Game File file due to incompatibility. If you do not have the proper version Myst IV: Revelation (or any of the other programs listed above), you may need to try downloading a different version of it, or one of the other software applications listed above. Your Myst IV: Revelation Save Game File file was probably created by a newer release of Myst IV: Revelation than what's currently installed your computer.

Tip: Investigate your M4S file by right-clicking and selecting "Properties" to find clues on what version you need.

Regardless, most of the M4S file opening problems relate to not having the right version of Myst IV: Revelation installed.

Associated Difficulties Loading M4S Files

Although you might already have Myst IV: Revelation or another M4S-associated software installed on your computer, you can still encounter problems opening Myst IV: Revelation Save Game File files. There can be other issues - unrelated to software - preventing you from opening M4S files. Problems unrelated to software:

• Invalid M4S file references in the Windows Registry (the "phonebook" of the Windows Operating System)
• Deletion of the M4S file description from the Registry by mistake
• Myst IV: Revelation or another M4S application experienced a flawed installation
• Something has caused file corruption of your M4S
• M4S file integrity has been compromised by malware
• Hardware related to M4Ss has device driver corruption
• Your computer does not have the adequate system resources to open the Myst IV: Revelation Save Game File format