A daily updated filename extension database!

X1 file extension

The table below provides useful information about the .x1 file extension. It answers questions such as:

  • What is the .x1 file?
  • What program do I need to open a .x1 file?
  • How can the .x1 file be opened, edited or printed?
  • How can I convert .x1 files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ X1 Saved Search

X1 file is an X1 Saved Search. X1 Search is a desktop search solution for Windows computers.
X1 format description not yet available
Category: Data files
Application: X1 Search
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
X1 aliases:
X1 related links:
X1 related extensions:

Other types of files may also use the .x1 file extension.

🚫 The .x1 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

a1, c1, d1, s1, xl, xq, z1

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

XBLite Source Code
POV-Ray Include File
Free Pascal Compiled Archive
Freescale S-record File
Progress OpenEdge Database
Microsoft Excel Worksheet
XQuery Language Source Code
Z-machine Z-code File
ZoneAlarm MailSafe Renamed VB File

🔴 Can't open a .x1 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .x1 file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .x1 file extension, write to us!

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