021 File Extension

What is 021 file?

Full format name of files that use 021 extension is Split Format Or Compressed Format From A Multi-volume Archive (part 21). Split Format Or Compressed Format From A Multi-volume Archive (part 21) specification was created by Igor Pavlov. 021 files are supported by software applications available for devices running Windows. Files with 021 extension are categorized as Archive Files files. The Archive Files subset comprises 619 various file formats. The most popular program for handling 021 files is 7-Zip, but users can choose among 4 different programs that support this file format. Software named 7-Zip was created by Igor Pavlov. In order to find more detailed information on the software and 021 files, check the developer’s official website.

Programs which support 021 file extension

The following listing features 021-compatible programs. Files with 021 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 021 extension?

Problems with accessing 021 may be due to various reasons. On the bright side, the most encountered issues pertaining to Split Format Or Compressed Format From A Multi-volume Archive (part 21) files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The list below will guide you through the process of addressing the encountered problem.

Step 1. Get the 7-Zip

The most common reason for such problems is the lack of proper applications that supports 021 files installed on the system. This one is an easy one. Select 7-Zip or one of the recommended programs (for example, WinRAR, Total Commander, HJSplit) and download it from appropriate source and install on your system. The full list of programs grouped by operating systems can be found above. The safest method of downloading 7-Zip installed is by going to developer’s website (Igor Pavlov) and downloading the software using provided links.

Step 2. Update 7-Zip to the latest version

If the problems with opening 021 files still occur even after installing 7-Zip, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of 7-Zip is available. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. If you have an older version of 7-Zip installed, it may not support 021 format. The latest version of 7-Zip should support all file formats that where compatible with older versions of the software.

Step 3. Associate Split Format Or Compressed Format From A Multi-volume Archive (part 21) files with 7-Zip

After installing 7-Zip (the most recent version) make sure that it is set as the default application to open 021 files. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

The procedure to change the default program in Windows

• Clicking the 021 with right mouse button will bring a menu from which you should select the Open with option
• Click Choose another app and then select More apps option
• Finally select Look for another app on this PC, point to the folder where 7-Zip is installed, check the Always use this app to open 021 files box and conform your selection by clicking OK button

The procedure to change the default program in Mac OS

• By clicking right mouse button on the selected 021 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 the appropriate software and save your settings by clicking Change all
• If you followed the previous steps a message should appear: This change will be applied to all files with 021 extension. Next, click the Continue button to finalize the process.

Step 4. Verify that the 021 is not faulty

Should the problem still occur after following steps 1-3, check if the 021 file is valid. Being unable to access the file can be related to various issues.

1. The 021 may be infected with malware – make sure to scan it with an antivirus tool.

Should it happed that the 021 is infected with a virus, this may be that cause that prevents you from accessing it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. 021 file is infected with malware? Follow the steps suggested by your antivirus software.

2. Verify that the 021 file’s structure is intact

If you obtained the problematic 021 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. If the 021 file has been downloaded from the internet only partially, try to redownload it.

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

Some files require elevated access rights to open them. Log out of your current account and log in to an account with sufficient access privileges. Then open the Split Format Or Compressed Format From A Multi-volume Archive (part 21) file.

4. Make sure that the system has sufficient resources to run 7-Zip

If the systems has insufficient resources to open 021 files, try closing all currently running applications and try again.

5. Check if you have the latest updates to the operating system and drivers

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Split Format Or Compressed Format From A Multi-volume Archive (part 21) file. It is possible that one of the available system or driver updates may solve the problems with 021 files affecting older versions of given software.

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