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.ASU File Extension

  • Developer by: SumTotal Systems, Inc.
  • Category: Settings, options, themes or skins Files

What are .ASU files and how to open them?

Can't open .ASU file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .ASU file.

What is a .ASU file extension?

.ASU file extension is created by SumTotal Systems, Inc.. .ASU has been classified as Settings, options, themes or skins Files.

.ASU is ToolBook package definition

The asu file extension is associated with the ToolBook application for Microsoft Windows operating system, developed by SumTotal. ToolBook is used to e-learnig activities.

The asu file contains ToolBook package definition.


How to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .asu file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

How to fix problems with .ASU files

  1. You need to update the application that you normally use to open .ASU files. Only the latest version of the software supports the current .ASU file format
  2. You need to check the .ASU file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)
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