CR1 file format description

Many people share .cr1 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cr1 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cr1 files.

1 filename extension(s) found in our database.

.cr1 - CRBasic Source

The CR1 development files are related to LoggerNet. The CR1 file is a CRBasic Source. CRBasic is a BASIC-like programming language used to create programs for the Campbell dataloggers.

Development files
- / -
cr2, cr3, cr4, cr5, cr6, cr7, cr8, cr9
CRBasic Source related extensions:
GNU sed Script
Python Decimal Arithmetic Based Test Cases Data
TestComplete Unit Testing Project Data
thinBasic Adventure Builder Data
Esterel Sorted Circuit Code
Visual Studio Project Template Metadata

Naturally, other applications may also use the .cr1 file extension. Even harmful programs can create .cr1 files. Be especially cautious with .cr1 files coming from an unknown source!

Can't open a .cr1 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 .cr1 file extension is often given incorrectly!

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

c1, cd1, ce1, cf1, cr, crl, crq, crw, ct1, dr1, rc1, sr1, vr1, xr1

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Canon Raw Image
Common Loudspeaker Format Type 1 File
CHARTrunner Workspace
SIR Schema Rectype and Variable Specs Data
Xargon Data
Samsung S5230 Firmware RSRC1 File

Operating systems 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

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

If you have useful information about the .cr1 file format, then write to us! >> CR1 file