File Extension Library


.X03 File Extension

  • Developer by: Corel Corporation
  • Category: Various data Files

What is an .X03 file?

.X03 file extension is created by Corel Corporation. .X03 has been classified as Various data Files.

.X03 is Corel Paradox secondary index file

The x03 file extension is associated with Paradox, a relational database management system sold by Corel Corporation, which is part of some editions of Corel WordPerfect Office suite.

The .x03 files contain secondary index information.


How to open:

It is not possible to open files with x03 extension.

How to convert:

Files with x03 extension are not convertable.

How to Open .X03 file on different platforms

Open .X03 File on Windows

  • Right-click a .X03
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .X03 file and Select check box "Always use this app to open .X03 files" Press "Ok"

Open .X03 File on Mac

  • Right-click (or Ctrl + Left-click) the .X03 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 .X03 File on Linux

Right click on the .X03 file, choose "Open with" and select a program from the list above

Open .X03 File on iPhone

Select a file. If you don't see an application to open the .X03 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 .X03 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 .X03 files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .X03 files

  1. You need to update the application that you normally use to open .X03 files. Only the latest version of the software supports the current .X03 file format
  2. You need to check the .X03 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)