>> CUID file

CUID file format description

Many people share .cuid files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cuid file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cuid files.

1 filename extension(s) found in our database.

.cuid - Unknown CUID File

The CUID file extension is currently unknown, according to our knowledge it has not yet been specified or assigned to an application. If you found an CUID file of unknown origin on your computer, it's possible that a dangerous software had created it. If you have helpful information about this file extension, write to us!

Unknown files
- / -
Unknown CUID File related extensions:
Unknown VZL File
Unknown XL5 File
Unknown GAY File
Unknown KZQ File
Unknown JHO File
Unknown File

Naturally, other applications may also use the .cuid file extension. Even harmful programs can create .cuid files. Be especially cautious with .cuid files coming from an unknown source!

Can't open a .cuid 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.

The .cuid file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

cid, cud, cui, cuix, uid

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

ChmUpDate Data
IBM VoiceType User Data
Autodesk AutoCAD Custom Workspace
Autodesk AutoCAD Custom User Interface

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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

If you have useful information about the .cuid file format, then write to us!

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