>> AAWDEF file

AAWDEF file format description

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

1 filename extension(s) found in our database.

.aawdef - Ad-Aware Definitions Data

The AAWDEF data files are related to Ad-Aware. AAWDEF file is an Ad-Aware Definitions Data. Ad-Aware is a popular anti-spyware and anti-malware software developed by Lavasoft.

Data files
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Ad-Aware Definitions Data related extensions:
Ad-Aware Quarantined File

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

Can't open a .aawdef 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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