C21 file format description

C21 file format

We made this page to help you understand how to work with C21 files. Here, you can find info on software that can handle these files. It includes simple programs for opening and converting them.

Learn about the C21 file and its functions here!

We also explain how to convert them into other types. It's simple and hassle-free. For opening or changing C21 files, this page offers all the tools you need.

#1 CARE-S InfoWorks Defined Pollutant Detail Data

The C21 file is categorized under Data. It is associated with CARE-S, serving as a CARE-S InfoWorks Defined Pollutant Detail Data. Computer-Aided Rehabilitation Program for Sewers (CARE-S) is a software program that supports efficiency in rehabilitation decisions. Visit the website of CARE-S for a detailed description of the C21 format.

Category:Data files
Magic:- / -

CARE-S InfoWorks Defined Pollutant Detail Data related extensions

  • c11 CARE-S InfoWorks User Defined Pollutant Detail Data
  • cb1 CARE-S InfoWorks Biochemical Oxygen Detail Data
  • cc1 CARE-S InfoWorks Chemical Oxygen Detail Data
  • ck1 CARE-S InfoWorks Kjeldahl Nitrogen Detail Data

Did someone accidentally misspell the C21 filename?

The C21 filename extension may be misspelled. We compiled a list of similar file extensions to help you find errors.

Filename extensions similar to C21:

Windows can't open your C21 file?

When you try to open a file by double-clicking it, Windows looks at the file's name to figure out what to do. If Windows doesn't know the file type, it'll ask you to choose an app to open this C21 file.

To set the C21 file association in Windows 11, you can follow these steps

  1. Open the Settings app by clicking on the Start menu and selecting the gear icon.
  2. In the Settings app, click on System and then select Apps from the left-hand side menu.
  3. Scroll down and click on the Default apps option.
  4. In the Default apps section, you will find various categories. They include Email, Web browser, and Music player.
  5. Locate the category that matches the file type you want to associate. For example, choose Photos for image files, or Video player for video files.
  6. Click on the current default app listed under the category. A list of available apps will appear.
  7. Choose the app you want to set as the default for that file type. If the app you want is not listed, click on More apps to see more options. Or, click on Look for an app in the Microsoft Store to search for apps.
  8. After selecting the app, it will become the default choice for opening files of that type.

It's worth mentioning that you don't always need to set C21 file association. Many apps can open files. They don't need a specific file association to be set.

Handle C21 files with care

Exercise caution when handling C21 files from unknown sources. Files from certain sources can threaten your computer's security. They might contain malware, viruses, or harmful software. To minimize risks, avoid downloading or opening unfamiliar C21 files. Use trusted antivirus software to scan files from unknown sources before opening.

If you find the information on this C21 page useful, please feel free to link to this page. >> C21 file