>> ATOMCAT file

ATOMCAT file format description

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

1 filename extension(s) found in our database.

.atomcat - Atom Syndication Category Document

The ATOMCAT data files are related to Internet Explorer. The ATOMCAT file is an Atom Syndication Category Document. Atom is an XML-based document format that describes lists of related information known as "feeds". Feeds are composed of a number of items, known as "entries", each with an extensible set of attached metadata. For example, each entry has a title.

Internet Explorer
Data files
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Atom Syndication Category Document related extensions:
AFP Overlay Resource
Zoner Photo Studio Data
Intuit QuickBooks Online Bank Statement
Intuit QuickBooks XML Data
XML Message Bundle Data
Wonderware QI Analyst Data

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

Can't open a .atomcat 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 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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