File Extension Guru

Everything You Need To Know About File Extensions
Descriptions. Workarounds. Issues

Document File Extensions
File Extension Guru File Extension PDF File Extension DOC File Extension XLS File Extension PPT File Extension PPS

Executable file extensions
File Extension EXE File Extension DLL File Extension SYS

Multimedia File Extensions
File Extension MOV File Extension MP4 File Extension FLV File Extension M4A

Archive file extensions
File Extension RAR File Extension ZIP File Extension LZH File Extension TAR File Extension JAR File Extension 7Z File Extension GZ File Extension LHA

Other File Extensions
File Extension 3GP File Extension DAT File Extension TORRENT File Extension BIN More File Extensions Cancel, Delete, Remove Live Person Customer Service Open JSON File Open APK File Open DB File Open DLL File File Extension Explorer SQL Table Join SVG File How to Open ICS File

File Extension M4B

File Extension .m4b and Microsoft.Zune.2.M4B

File Extension	.m4b
Description	MPEG-4 audio layer bookmarkable file
Mime Type	audio/m4b
Executable Command
Windows Object	Microsoft.Zune.2.M4B

File Extension .m4b and QuickTime.m4b

File Extension	.m4b
Description
Mime Type	audio/m4b
Executable Command	C:\Program Files (x86)\QuickTime\QuickTimePlayer.exe "%1"
Windows Object	QuickTime.m4b

File Extension .m4b and

File Extension	.m4b
Description
Mime Type	audio/m4b
Executable Command
Windows Object

File Extension .m4b and iTunes.m4b

File Extension	.m4b
Description	MPEG-4 Audio File (Protected)
Mime Type	audio/m4b
Executable Command	C:\Program Files (x86)\iTunes\iTunes.exe /open "%L"
Windows Object	iTunes.m4b

There are many ways to open file with specific file extension. There could be also multiple applications which you can use to open M4B file. Learn more how to open APK file. Also you can try using hex or text editors like HexView or Notepad++ to open M4B files.

`File Extension Library`
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Extensions covered by File Extension Guru at this moment:

pdf rar 3gp pps dat xls flv dll torrent bin unknown vob kmz doc ppt exe sys mov mp4 m4a zip wpd dmg ica thm tmp odt xpi bup wmv mkv part dwg db 3g2 kml mdf bak sav r00 tar jar lzh temp daa iso cue uif r01 r02 r03 r04 r05 r06 r07 r08 r09 ifo lha 7z gz