CWU file format description

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

1 filename extension(s) found in our database.

.cwu - Across crossWAN Package

The CWU archive files are related to Across Language Server. The CWU file is an Across crossWAN Package. The Across Language Server is a translation management system for enterprises and language service providers.

Across Language Server
Archive files
- / -
Across crossWAN Package related extensions:
Ghost Installer Package
Handy Backup Index File
TeKton3D Project Archive Backup
Zzip Compressed Archive
SAP Business One BackUp Data
QZip Encrypted Archive

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

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

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

cau, cdu, csu, cu, cuw, cw, cwk, cwy, fwu, swu, wcu, wu

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

my Knowledge Explorer Change Unit
CueCard Saved Flashcards Data
CattleMax Data
CU-SeeMe Data
Trespasser Game Audio
Watchfire Bobby URL List

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 .cwu file format, then write to us! >> CWU file