The X
extension name file type Classification
C2U Texas Instruments CBL 2 OS File Other files
CA Initial Telnet Cache Other files
CACHE Cache File Other files
CALB Coolect Album File Other files
CALIBRE Calibre Device Data File Other files
CAS Autodesk Cascade License File Other files
CBDS Comic Book DS File Other files
CBT Computer Based Training File Other files
CCH .NET Security Resolution Cache File Other files
CDF-MS ClickOnce Compiled Manifest File Other files
CERBER3 Cerber Ransomware Virus File Other files
CFL IMVU Product File Other files
CFS Lucene Compound Index File Other files
CHK Saved File Fragment Other files
CHKSPLIT Archiver Split Checksum File Other files
CHUNK001 File Splitter Split Archive Part 1 Other files
CHW Compiled Help Index File Other files
CL Cursor Library Other files
CLKK Clicker Keyboard Other files
CLKT Clicker Template Other files
CLKW Clicker Word Bank Other files
CLKX Clicker Grid Set Other files
CLR Animate Color Set Other files
CLS LaTeX Document Class File Other files
CML CryptoMailer Encrypted File Other files
CMM Corel Multimedia Manager Album Other files
CMPKG craftersmine Package Other files
CONTOUR Contour Screenplay File Other files
COS2 Pinnacle Studio Cache File Other files
CP3 Grand Prix 3 Cockpit Shape File Other files
CPT Pocket Slides Presentation Other files
CPU Virtual CPU File Other files
CRASHED AbiWord Crash-Saved Document Other files
CRC Total Commander Checksum File Other files
CRD Guitar Tabs Other files
CRD Windows CardSpace File Other files
CRDOWNLOAD Chrome Partially Downloaded File Other files
CSH Photoshop Custom Shapes File Other files
CTF Content Transformation File Other files
CTF AVG Update Control File Other files
CTG Canon Digital Camera Catalog File Other files
CUL Windows Cursor Library Other files
CVF CPU-Z Validation File Other files
CVR Microsoft Crash Report File Other files
CXF Picasa Collage File Other files