Home : File Types : EFW File

.EFW File Extension

File TypeRenamed Zip or Executable File

DeveloperComputer Associates
3.0 (1 Vote)
CategoryCompressed Files


This file is saved in a zipped format. You can view the contents by unzipping it with a file decompression program.

What is an EFW file?

Compressed .ZIP or executable .EXE file renamed by CA Security Centre to have a ".efw" extension; typically applies to e-mail attachments scanned by Computer Associates (CA) antivirus software.

More Information

EFW zipped files may be opened by changing the file extension to ".zip" and opening the file with a decompression utility, such as WinZip or Stuffit Expander. Executable files may be run directly by changing the file extension to ".exe" and opening the file.

NOTE: Do not open unknown e-mail attachments from non-trusted sources, as they may contain viruses or other malicious programs.

You can prevent EFW files from being created by temporarily disabling your antivirus software when downloading legitimate zipped or executable files.

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Programs that open EFW files
Corel WinZip 21
E-merge WinAce
Smith Micro StuffIt Deluxe for Windows
Smith Micro StuffIt Deluxe 16
BOMArchiveHelper (included with Mac OS X)
Updated 8/10/2014

About the file extension efw

Our goal is to help you understand what a file with a *.efw suffix is and how to open it.

The Renamed Zip or Executable file type, file format description, and Mac, Windows, and Linux programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and do not publish any information we have not been able to verify.

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