.300 File

.300 is NCBridge network boot software data

Key Features: .300 File Extension

What's on this Page

The 300 file extension is associated with the NCBridge software.

NCBridge is used to booting and running XP/NC200/NC400/NC900 series network computers.

The 300 file stores network boot software data used by NCBridge for its internal purposes.

Probably not meant to be accessed by the user.

It is unlikely that this file type can be converted to anything else.

Associate the 300 file extension with the correct application. On :
Windows: Right click on any 300 file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.300 files". Mac: Right click (or Ctrl-click) the 300 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 .300 is NCBridge network boot software data. Because only the current version supports the latest 300 file format. Search, therefore, e.g. on the 300 manufacturer website after an available .300 is NCBridge network boot software data update.
To make sure that your 300 file is not corrupted or virus-infected, get the file again and scan it with antivirus software.