INFO-21 File Extension

What is INFO-21 file?

INFO-21 is a file extension commonly associated with Cygwin Info files. Cygwin Info specification was created by Red Hat, Inc.. INFO-21 file format is compatible with software that can be installed on Windows system platform. INFO-21 file belongs to the Misc Files category just like 6033 other filename extensions listed in our database. The software recommended for managing INFO-21 files is Cygwin. Cygwin software was developed by Red Hat, Inc., and on its official website you may find more information about INFO-21 files or the Cygwin software program.

Programs which support INFO-21 file extension

Programs that can handle INFO-21 files are as follows. Files with INFO-21 suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

How to open file with INFO-21 extension?

There can be multiple causes why you have problems with opening INFO-21 files on given system. Fortunately, most common problems with INFO-21 files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.

Step 1. Download and install Cygwin

Problems with opening and working with INFO-21 files are most probably having to do with no proper software compatible with INFO-21 files being present on your machine. To address this issue, go to the Cygwin developer website, download the tool, and install it. It is that easy On the top of the page a list that contains all programs grouped based on operating systems supported can be found. If you want to download Cygwin installer in the most secured manner, we suggest you visit Red Hat, Inc. website and download from their official repositories.

Step 2. Update Cygwin to the latest version

You still cannot access INFO-21 files although Cygwin is installed on your system? Make sure that the software is up to date. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. If you have an older version of Cygwin installed, it may not support INFO-21 format. The most recent version of Cygwin is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Set the default application to open INFO-21 files to Cygwin

If you have the latest version of Cygwin installed and the problem persists, select it as the default program to be used to manage INFO-21 on your device. The method is quite simple and varies little across operating systems.

Change the default application in Windows

• Right-click the INFO-21 file and choose Open with option
• Click Choose another app and then select More apps option
• To finalize the process, select Look for another app on this PC entry and using the file explorer select the Cygwin installation folder. Confirm by checking Always use this app to open INFO-21 files box and clicking OK button.

Change the default application in Mac OS

• By clicking right mouse button on the selected INFO-21 file open the file menu and choose Information
• Proceed to the Open with section. If its closed, click the title to access available options
• Select Cygwin and click Change for all...
• If you followed the previous steps a message should appear: This change will be applied to all files with INFO-21 extension. Next, click the Continue button to finalize the process.

Step 4. Verify that the INFO-21 is not faulty

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper INFO-21 file. It is probable that the file is corrupted and thus cannot be accessed.

1. The INFO-21 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 INFO-21 file hinders attempts to open it. Scan the INFO-21 file as well as your computer for malware or viruses. INFO-21 file is infected with malware? Follow the steps suggested by your antivirus software.

2. Ensure the file with INFO-21 extension is complete and error-free

If you obtained the problematic INFO-21 file from a third party, ask them to supply you with another copy. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with INFO-21 extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Verify whether your account has administrative rights

Sometimes in order to access files user need to have administrative privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the Cygwin Info file.

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

The operating systems may note enough free resources to run the application that support INFO-21 files. Close all running programs and try opening the INFO-21 file.

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 Cygwin Info files and ensure security of your device and operating system. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle INFO-21 files.

Do you want to help?

If you have additional information about the INFO-21 file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on INFO-21 file.