>> CALLS file

CALLS file format description

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

1 filename extension(s) found in our database.

.calls - NimbleGen Gene Expression Value Data

The CALLS data files are related to Roche NimbleGen. The CALLS file is a NimbleGen Gene Expression Value Data. Roche NimbleGen is an innovator in genomics focused on developing target enrichment solutions for next-generation sequencing. The Roche NimbleGen seems to be no longer supported.

Roche NimbleGen
Data files
- / -
NimbleGen Gene Expression Value Data related extensions:
Corel Painter Mixer Pad Data
Novell GroupWise Address Book Database
EEsof EDA S-parameter Data
CIRCAD Schematic Document
Orchida Knitting System AMM Data
Lightwave 3D License Key

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

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

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


Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

CALS Compressed Bitmap

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

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