C_ File Extension

What is C_ file?

C_ filename suffix is mostly used for Microsoft Winhelp Compressed files. Microsoft Corporation defined the Microsoft Winhelp Compressed format standard. C_ file format is compatible with software that can be installed on Windows system platform. C_ file belongs to the Misc Files category just like 6033 other filename extensions listed in our database. The software recommended for managing C_ files is Microsoft Windows Help. Software named Microsoft Windows Help was created by Microsoft Corporation. In order to find more detailed information on the software and C_ files, check the developer’s official website.

Programs which support C_ file extension

Programs that can handle C_ files are as follows. Files with C_ 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 C_ extension?

Problems with accessing C_ may be due to various reasons. On the bright side, the most encountered issues pertaining to Microsoft Winhelp Compressed 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. Install Microsoft Windows Help software

Problems with opening and working with C_ files are most probably having to do with no proper software compatible with C_ files being present on your machine. To address this issue, go to the Microsoft Windows Help developer website, download the tool, and install it. It is that easy Above you will find a complete listing of programs that support C_ files, classified according to system platforms for which they are available. If you want to download Microsoft Windows Help installer in the most secured manner, we suggest you visit Microsoft Corporation website and download from their official repositories.

Step 2. Update Microsoft Windows Help to the latest version

If the problems with opening C_ files still occur even after installing Microsoft Windows Help, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Microsoft Windows Help is available. 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 Microsoft Windows Help installed, it may not support C_ format. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Microsoft Windows Help.

Step 3. Associate Microsoft Winhelp Compressed files with Microsoft Windows Help

After installing Microsoft Windows Help (the most recent version) make sure that it is set as the default application to open C_ files. The next step should pose no problems. The procedure is straightforward and largely system-independent

Change the default application in Windows

• Right-click the C_ file and choose Open with option
• 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 Microsoft Windows Help installation folder. Confirm by checking Always use this app to open C_ files box and clicking OK button.

Change the default application in Mac OS

• From the drop-down menu, accessed by clicking the file with C_ extension, select Information
• Find the Open with option – click the title if its hidden
• Select the appropriate software and save your settings by clicking Change all
• Finally, a This change will be applied to all files with C_ extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Verify that the C_ is not faulty

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

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

Should it happed that the C_ 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. C_ file is infected with malware? Follow the steps suggested by your antivirus software.

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

If you obtained the problematic C_ file from a third party, ask them to supply you with another copy. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. If the C_ file has been downloaded from the internet only partially, try to redownload it.

3. Verify whether your account has administrative rights

Some files require elevated access rights to open them. Switch to an account that has required privileges and try opening the Microsoft Winhelp Compressed file again.

4. Make sure that the system has sufficient resources to run Microsoft Windows Help

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

5. Verify that your operating system and drivers are up to date

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Microsoft Winhelp Compressed file. It may be the case that the C_ files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the C_ 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 C_ file.