>> AS4 file

AS4 file format description

Many people share .as4 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .as4 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .as4 files.

1 filename extension(s) found in our database.

.as4 - AskSam Database Backup

The AS4 data files are related to AskSam. AS4 file is an AskSam Database Backup. AskSam is a flexible and powerful way to organize information and create searchable databases from Web pages, Email, PDF files, texts, and Word documents. The AskSam seems to be no longer supported.

Data files
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AskSam Database Backup related extensions:
AskSam Database

Naturally, other applications may also use the .as4 file extension. Even harmful programs can create .as4 files. Be especially cautious with .as4 files coming from an unknown source!

Can't open a .as4 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 .as4 file extension is often given incorrectly!

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

as, ase, asr, ast, qs4, sa4, ws4, xs4, zs4

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Autodesk 3D Studio ASCII Scene Export
Adobe Photoshop Swatch Exchange File
Adobe Flash ActionScript
XESS Worksheet
ClarisWorks Assistant
ZSNES Save State

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 .as4 file format, then write to us!

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