.EFW File Extension

Renamed Zip or Executable File

How to open: Change EFW file extension to ZIP, open with utility like WinZip. Run directly by changing extension to EXE. Probably cannot convert to other formats. Update software supporting EFW extens...

General Information

Title EFW File Extension
Extension .efw
Full Form Renamed Zip or Executable File
File Type Compressed File, Executable File
Developer Various
MIME Type application/octet-stream

File Function

Primary Function Prevent malware
Additional Functions Archive, Software installation
Features Email-friendly, Renamed

File Characteristics

Quality Original file's quality
Supports Layers N/A
Supports Transparency N/A
Editable After renaming

Use Cases

Email Security Yes
File Sharing Yes
Software Distribution Limited

Security and Practices

Security Risks False sense of security
Best Practices Rename, Scan for malware

Historical/Version Information

Initial Use Unknown
Latest Use Still in use

Associated Types

Similar Extensions .zip, .exe

Software Compatibility

Software Usage Policy OS Compatibility
Any Zip Utility Free, Paid Windows, Mac, Linux
Renaming Tools Free Windows, Mac, Linux