CSDSIG file format description

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

1 filename extension(s) found in our database.

.csdsig - Altaro Oops!Backup Data

The CSDSIG data files are related to Altaro Oops!Backup. The CSDSIG file is an Altaro Oops!Backup Data. Oops!Backup is a desktop backup solution developed by Altaro Software.

Altaro Oops!Backup
Data files
- / -
Altaro Oops!Backup Data related extensions:
Aimutation Skin
WinFax Pro Phone Book
MOPAC Cartesian Data
H&R Block 2016 Tax Return Data
TI-89 Data
DownThemAll! Partially Downloaded File

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

Can't open a .csdsig 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.

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 .csdsig file format, then write to us!

DataTypes.net >> CSDSIG file