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How to open .EFW file extension?

File Type : CA Security Center Renamed ZIP or EXE or RAR File (CA)
Compatible with (WinXP,Vista,Win7,Win8 and Win10)

Looking for a program to open .EFW files?

"Windows unable to open a file!" is probably the most common error faced by millions every day. This is either because the program required to open a file is not available on your system or there may be other issues.

We recommend that you run a free scan to check for missing drivers.



What is .EFW file extension?

.EFW file extension is a known file type. This section of tells you everything you need to know about this extension.
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. 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.
You can see a list of software programs here on that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.

Software that can be used to open .EFW files:

Microsoft Windows:
  • Corel WinZip 18.5
  • E-merge WinAce
  • PKZip
  • Smith Micro StuffIt Deluxe 2010
  • unzip
  • funzip
  • p7zip
Apple Mac OS X:
  • Smith Micro StuffIt Deluxe 16
  • BOMArchiveHelper (included with Mac OS X)