File Extension Library


.ASJ File Extension

  • Category: Various data Files

What is an .ASJ file?

.ASJ file extension has been classified as Various data Files.

.ASJ is Aldfaer genealogy data

The asj file extension is mainly related to Aldfaer software and used for one of its default file type.

Most likely contains genealogy data. Aldfaer is a Dutch genealogy software for Windows.

.ASJ file format is deprecated and this file format is no longer supported.

Currently, .ASJ file type is not actively used and is obsolete. This usually happens with system files in older operating systems, files from long-discontinued software, or with previous versions of some file types (documents, projects, images, etc.) that were replaced in later versions of the original programs.


How to open:

You can work with these files in Aldfaer.

How to convert:

Probably can be converted to other formats.

How to Open .ASJ file on different platforms

Open .ASJ File on Windows

  • Right-click a .ASJ
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .ASJ file and Select check box "Always use this app to open .ASJ files" Press "Ok"

Open .ASJ File on Mac

  • Right-click (or Ctrl + Left-click) the .ASJ file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .ASJ File on Linux

Right click on the .ASJ file, choose "Open with" and select a program from the list above

Open .ASJ File on iPhone

Select a file. If you don't see an application to open the .ASJ file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .ASJ File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .ASJ files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .ASJ files

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