EFW File Extension

What is EFW file?

EFW is a file extension commonly associated with Renamed Zip Or Executable Format files. Renamed Zip Or Executable Format specification was created by Computer Associates. Files with EFW extension may be used by programs distributed for Linux, Mac OS, Windows platform. Files with EFW extension are categorized as Compressed Files files. The Compressed Files subset comprises 236 various file formats. The most popular program for handling EFW files is WinZip, but users can choose among 6 different programs that support this file format. Software named WinZip was created by WinZip Computing, S.L.. In order to find more detailed information on the software and EFW files, check the developer’s official website.

Programs which support EFW file extension

The following list contains programs grouped by 3 operating systems that support EFW files. Files with EFW extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

How to open file with EFW extension?

Being unable to open files with EFW extension can be have various origins. What is important, all common issues related to files with EFW extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Get the WinZip

The most common reason for such problems is the lack of proper applications that supports EFW files installed on the system. The most obvious solution is to download and install WinZip or one to the listed programs: WinAce, WinRAR, BOMArchiveHelper. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. One of the most risk-free method of downloading software is using links provided by official distributors. Visit WinZip website and download the installer.

Step 2. Update WinZip to the latest version

You still cannot access EFW files although WinZip is installed on your system? Make sure that the software is up to date. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. The reason that WinZip cannot handle files with EFW may be that the software is outdated. The most recent version of WinZip is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Associate Renamed Zip Or Executable Format files with WinZip

After installing WinZip (the most recent version) make sure that it is set as the default application to open EFW files. The method is quite simple and varies little across operating systems.

Change the default application in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the EFW file
• Select Choose another app → More apps
• To finalize the process, select Look for another app on this PC entry and using the file explorer select the WinZip installation folder. Confirm by checking Always use this app to open EFW files box and clicking OK button.

Change the default application in Mac OS

• From the drop-down menu, accessed by clicking the file with EFW extension, select Information
• Open the Open with section by clicking its name
• From the list choose the appropriate program and confirm by clicking Change for all....
• A message window should appear informing that This change will be applied to all files with EFW extension. By clicking Continue you confirm your selection.

Step 4. Check the EFW for errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the EFW file in question. Problems with opening the file may arise due to various reasons.

1. The EFW may be infected with malware – make sure to scan it with an antivirus tool.

If the file is infected, the malware that resides in the EFW file hinders attempts to open it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the scanner detected that the EFW file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Ensure the file with EFW extension is complete and error-free

If the EFW file was sent to you by someone else, ask this person to resend the file to you. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with EFW extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Check if the user that you are logged as has administrative privileges.

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Switch to an account that has required privileges and try opening the Renamed Zip Or Executable Format file again.

4. Verify that your device fulfills the requirements to be able to open WinZip

If the system is under havy load, it may not be able to handle the program that you use to open files with EFW extension. In this case close the other applications.

5. Ensure that you have the latest drivers and system updates and patches installed

Latest versions of programs and drivers may help you solve problems with Renamed Zip Or Executable Format files and ensure security of your device and operating system. It is possible that one of the available system or driver updates may solve the problems with EFW files affecting older versions of given software.

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