File Extension Library


.X11 File Extension

  • Developer by: X.Org Foundation
  • Category: Bitmap image Files

What are .X11 files and how to open them?

Can't open .X11 file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .X11 file.

What is a .X11 file extension?

.X11 file extension is created by X.Org Foundation. .X11 has been classified as Bitmap image Files.

.X11 is X Window System bitmap image

The x11 file extension is associated with the X Window System Graphical User Interface for network operating systems, such as UNIX, Linux, FreeBSD etc.

X Window System bitmap image file is a format for storing bitmaps of screen captures of the X Window system. There are a large number of variations of this format, depending on the type of graphics adapter the user has (monochrome, fixed colors, color images with palettes, TrueColor and more).

Additionally, x10 uses a different format from the newer x11 version of X Window. XWD files are not compressed so can be quite large.


How to open:

Use XnView to view *.x11 files.

How to convert:

Compatible tools are able to export *.x11 files to other formats.

How to fix problems with .X11 files

  1. You need to update the application that you normally use to open .X11 files. Only the latest version of the software supports the current .X11 file format
  2. You need to check the .X11 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)