CPU file format description

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

1 filename extension(s) found in our database.

.cpu - SiSoftware Sandra File

The CPU data files are related to SiSoftware Sandra. The CPU file is a SiSoftware Sandra File. SiSoftware Sandra is a system analyzer, diagnostic and reporting assistant for PCs, servers, and networks.

SiSoftware Sandra
Data files
- / -
SiSoftware Sandra File related extensions:
Reunion for Windows Family Data
Zemax Binary Image Surface Data
Pinnacle Hollywood FX Object
VPchat Chat Gestures
DisCryptor Encrypted Database
Libronix DLS Word List

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

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

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

clu, cp, cph, cpi, cpj, cpk, cpy, cu, cup, dpu, pcu, pu, spu, vpu, xpu

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

my Knowledge Explorer Change Unit
Sietronics XRD Scan Document
eCopy Document
WinOnCD Project
Corel Print House Document
COBOL Include Data

Operating systems

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

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


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

DataTypes.net >> CPU file