The File Extensions Database


.AS4 File Extension

  • Developer by: askSam Systems
  • Category: Backup Files
  • Format: Binary

What is an .AS4 file?

.AS4 is askSam Backup File

Backup file created by SurfSaver, a program that saves Web pages as users surf the Internet; contains a backup of an .ASK database file; created when askSam converts an older file to a new format so that the AS4 file may be opened by older software versions.

NOTE: AS4 files may safely be deleted if users do not intend to use older versions of askSam software.

How to solve problems with AS4 files

  • Associate the AS4 file extension with the correct application. On :
    Windows: Right click on any AS4 file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.AS4 files". Mac: Right click (or Ctrl-click) the AS4 file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .AS4 is askSam Backup File. Because only the current version supports the latest AS4 file format. Search, therefore, e.g. on the askSam Systems manufacturer website after an available .AS4 is askSam Backup File update.
  • To make sure that your AS4 file is not corrupted or virus-infected, get the file again and scan it with antivirus software.