File Type of the Day
.M
Objective-C Implementation File
An M file is a class implementation file used by programs written in Objective-C. It begins with the @implementation directive and initializes variables and functions that can be referenced by other Objective-C source files.
.CCD
CloneCD Control File
A CCD file is a disk image file saved in the CloneCD Control (CCD) format. It contains control information, including track location and header data, for a corresponding .IMG file.
.AZW3
Amazon KF8 eBook File
An AZW3 file is an eBook created in the Kindle Format 8 (KF8), Amazon's successor to the .AZW format. It supports newer features such as HTML5 and CSS3 support as well as many other formatting capabilities.
Weekly Top Extensions
—.APKAndroid Package File .PDFPortable Document Format File+1 .JPGJPEG Image-1 —.CRYPT14WhatsApp Encrypted Database File —.SB3Scratch 3.0 Project —.ZIPZipped File .TXTPlain Text File+1 .JSONJavaScript Object Notation File-1 —.DOCXMicrosoft Word Document .MP4MPEG-4 Video+2 —.ICSCalendar File .DATData File-2 —.NOMEDIAAndroid No Media File .HTMLHypertext Markup Language File+6 .ODTOpenDocument Text Document+2 .PNGPortable Network Graphic+5 .DATABASE_...Android Stale Thumbnails Identifier-1 .LNKWindows Shortcut-3 .VCFvCard File-5 .PAGESApple Pages Document+3 .CRDOWNLOADChrome Partially Downloaded File-3 —.EMLE-Mail Message .MOVApple QuickTime Movie-4 .AVIFAVIF Image+4 .NUPSmart Security Update File+6648Universal File Viewers
Open your files with one of these file viewing utilities recommended by FileInfo.com.
About FileInfo.com
FileInfo.com contains a searchable database of over 10,000 file extensions with detailed information about the associated file types. You can look up information about unknown file types and find programs that open the files. Learn more about FileInfo.com.
Developers
Recent Updates
- November 11, 2026File Viewer Plus 7.0 is now available.
- November 6, 2026File Viewer for Android 5.1.2 is now available.
