.AAO File Extension

Dataland Software
File Type:
Agenda At Once File

Having trouble opening .aao extension? Don't panic! This page explains what aao files are as well as suggests programs you may use to open aao files. You can download these programs through this page.

What is an AAO file?

Aao file extension has Agenda At Once file type, developed by Dataland Software, which is associated with the "data files" category.

Generated with Agenda At Once, a special tool for managing user’s to-do lists, the file may store contacts, calendars, and schedules as well as keep track of tasks, show what has been complete in percentages, etc.

To learn how you can open the given file, read the information below.

aao file icon
Dataland Software
File Type:
Agenda At Once File
Data Files

How to open AAO file?

Double click the aao file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .aao extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the aao extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the aao file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open AAO files

  • Windows Windows
    • Dataland Agenda At Once Dataland Agenda At Once

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the aao file as well. Download Universal File Viewer for your OS.

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Download for Mac
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