The File Extensions Database


.323 File Extension

  • Category: Misc Files

What is an .323 file?

.323 is H.323 Internet Telephony File

File used by some video conferencing programs, such as Microsoft's Conferencing Utility Dll (msconf.dll, included with some older versions of Windows) or Intel's Video Phone Container; contains information used for setting up an online audio and video conference; not commonly used anymore.

How to solve problems with 323 files

  • Associate the 323 file extension with the correct application. On :
    Windows: Right click on any 323 file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.323 files". Mac: Right click (or Ctrl-click) the 323 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 .323 is H.323 Internet Telephony File. Because only the current version supports the latest 323 file format. Search, therefore, e.g. on the N/A manufacturer website after an available .323 is H.323 Internet Telephony File update.
  • To make sure that your 323 file is not corrupted or virus-infected, get the file again and scan it with antivirus software.