.CSS1 File Extension

Verified information
Information about the file CSS1
  • Cascading Style Sheet
  • Web Files
  • N/A

What is the CSS1 file?

The CSS1 file extension can be associated with several types of files. Most often, however, a file with such an extension is associated with the Cascading Style Sheet format. CSS1 files are supported by Windows operating systems. The CSS1 file is one of the Web Files files, just like 303 of the other files found in our file information database.

A program that can open the CSS1 file is e.g. NotePad++ text editor. This software was released by Notepad++ Team. However, you can also use other applications, e.g. Adobe Dreamweaver.

Programs, that can open .CSS1 files

Notepad++ Team
NotePad++ text editor
Windows
Adobe Systems Incorporated
Adobe Dreamweaver
Windows

How to open a .CSS1 file?

If you have problems opening the file CSS1, then in most cases the problem is only the lack of the proper application installed. Select one of the programs from the list and install it on your device. The operating system should automatically associate the CSS1 file format with the installed program. If not, right click on your CSS1 file and select from the menu "Open with" . Then select the installed program and confirm the operation. Now all CSS1 files should automatically open with the selected program.

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