File Extension Library


.X1S File Extension

  • Developer by: X1 Technologies, Inc.
  • Category: Various data Files

What are .X1S files and how to open them?

Can't open .X1S 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 .X1S file.

What is a .X1S file extension?

.X1S file extension is created by X1 Technologies, Inc.. .X1S has been classified as Various data Files.

.X1S is X1 Desktop Search saved search data

The x1s file extension is associated with the X1, a desktop search application for Microsoft Windows operating system, developed by X1 Technologies.

The x1s file stores saved search data from X1.


How to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .x1s file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

How to fix problems with .X1S files

  1. You need to update the application that you normally use to open .X1S files. Only the latest version of the software supports the current .X1S file format
  2. You need to check the .X1S file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)