CLSID file format description
Many people share .clsid files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .clsid file can be edited, converted or printed with. On this page, we try to provide assistance for handling .clsid files.
1 filename extension(s) found in our database.
.clsid - CLSID Identifier Data
The CLSID data files are related to Microsoft Windows. The CLSID file is a CLSID Identifier Data. A CLSID is a globally unique identifier that identifies a COM class object.
- Microsoft Windows
- Data files
- - / -
- CLSID Identifier Data related extensions:
Naturally, other applications may also use the .clsid file extension. Even harmful programs can create .clsid files. Be especially cautious with .clsid files coming from an unknown source!
Can't open a .clsid file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows can't open this file:
To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.
To avoid this error, you need to set the file association correctly.
- Open Control Panel > Control Panel Home > Default Programs > Set Associations.
- Select a file type in the list and click Change Program.
DataTypes.net currently supports the following operating systems:
Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android
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