.EFW File

.efw is Renamed Zip or Executable File

Key Features: .EFW File Extension

Features	Description
File Extension	.efw
Format	Zip
Created by	Computer Associates
Category	Compressed

What's on this Page

How to open:
How to convert:

What is an .EFW file?

The efw file extension is used for a compressed ZIP or executable EXE file renamed by CA Security Centre.

Typically applies to e-mail attachments scanned by Computer Associates (CA) antivirus software.

Files with efw file extension are commonly used by CA Security Center for some sort of compressed archive. It's basically a renamed ZIP file.

How to open:

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

How to convert:

Probably cannot be converted to anything else.

Renamed Zip or Executable File - File openers

Windows

Corel WinZip 23
E-merge WinAce
PKZip
Smith Micro StuffIt Deluxe for Windows

Mac

Smith Micro StuffIt Deluxe 16

Linux

funzip
p7zip

Computer Associates

Compressed

Zip

How to solve problems with EFW files

Associate the EFW file extension with the correct application. On :
Windows: Right click on any EFW file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.EFW files". Mac: Right click (or Ctrl-click) the EFW file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
Update your software that should actually open .EFW is Renamed Zip or Executable File. Because only the current version supports the latest EFW file format. Search, therefore, e.g. on the Computer Associates manufacturer website after an available .EFW is Renamed Zip or Executable File update.
To make sure that your EFW file is not corrupted or virus-infected, get the file again and scan it with antivirus software.