File Type of the Day
.CRT
Security Certificate
A CRT file is an encoded digital certificate used by a secure website. It identifies the website and verifies its authenticity.
.ISO
Disk Image File
An ISO file is a disk image that contains an exact duplicate of data from a source disk, such as an optical disc or hard drive. Computer users typically use ISO files to duplicate CD, DVD, or Blu-ray discs for sharing or backup purposes or download ISO files from a website to install software on a computer (e.g., downloading and installing the Windows 11 operating system).
.WIM
Windows Imaging Format File
A WIM file is saved in a file-based imaging format that was introduced with Windows Vista. It allows a single disk image to be deployed to multiple computer platforms.
Weekly Top Extensions
—.APKAndroid Package File .JPGJPEG Image+1 .CRYPT14WhatsApp Encrypted Database File-1 —.PDFPortable Document Format File —.JSONJavaScript Object Notation File .ICSCalendar File+1 .ZIPZipped File-1 —.TXTPlain Text File —.DOCXMicrosoft Word Document .MP4MPEG-4 Video+2 —.NOMEDIAAndroid No Media File .EMLE-Mail Message-2 .DATData File+3 —.HTMLHypertext Markup Language File .LNKWindows Shortcut+2 .VCFvCard File-3 .DATABASE_...Android Stale Thumbnails Identifier+2 .CSVComma-Separated Values File-3 .RPMSGOutlook Restricted Permission Message+4 .MOVApple QuickTime Movie+1 .DCMDICOM Image+3 .SB3Scratch 3.0 Project-2 .GMDGeometry Dash Level-5 .PNGPortable Network Graphic+2 .CRDOWNLOADChrome Partially Downloaded File+3Universal File Viewers
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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.
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