Category Overview

Data File Extensions

Data file extensions are used by databases, applications, scientific tools, configuration systems, and structured datasets. Browse the formats below to identify a data file and find software that may read, import, edit, or export it.

16
Data Extensions
Category Guide

How to identify and use data file formats

Data files can be plain text, structured records, binary databases, caches, or application-specific resources. Avoid editing an unknown data file directly, keep a backup, and use the application that originally created it whenever possible.

Filter Extensions

Filter this category by the first letter of the extension.

16 Data Extensions Available
.X3D

Extensible 3D Graphics

X3D (Extensible 3D Graphics) is an open, royalty-free ISO standard for defining 3D computer graphics. It is the successor to VRML (Virt...

Data
.XER

Primavera P6 Proprietary Exchange Format

The XER file format is a proprietary file format used by Oracle Primavera P6, a high-performance project management software suite. It...

Data
.XLSB

Excel Binary Workbook

The XLSB file extension represents the Excel Binary Workbook format, which is a specialized spreadsheet format developed by Microsoft a...

Data
.XLSM

Microsoft Excel Macro-Enabled Workbook

The XLSM file extension represents a Microsoft Excel Macro-Enabled Workbook. Introduced with the release of Microsoft Office 2007, it i...

Data
.XLSX

Microsoft Excel Open XML Spreadsheet

The XLSX file format is the default spreadsheet format used by Microsoft Excel, starting with Excel 2007. It's based on the Open XML st...

Data
.XLTM

Microsoft Excel Macro-Enabled Template

An XLTM file is a macro-enabled template created by Microsoft Excel, the industry-standard spreadsheet application. Introduced with the...

Data
.XLTX

Microsoft Excel Open XML Spreadsheet Template

The XLTX file extension represents a Microsoft Excel Template file that was introduced with the release of Microsoft Office 2007. It is...

Data
.XMIND

XMind Workbook File

The XMind file format is a proprietary file format developed by XMind Ltd. specifically for their mind mapping and brainstorming softwa...

Data
.XMIND-TEMPLATE

XMind Template

An XMind Template file, identified by the .xmind-template extension, is a specialized document format used by XMind, a popular mind map...

Data
.XMT

Parasolid CAD Format (Text)

The XMT file extension is primarily associated with the Parasolid geometric modeling kernel, a world-leading 3D solid modeling engine d...

Data
.XPT

SAS Transport File

The XPT file format, also known as the SAS Transport file format, is a platform-independent data format developed by the SAS Institute...

Data
.XSL

Extensible Stylesheet Language

XSL (Extensible Stylesheet Language) is a family of languages used for transforming and formatting XML (Extensible Markup Language) doc...

Data
.XSPF

XML Shareable Playlist Format

XSPF (XML Shareable Playlist Format) is an XML-based playlist format designed for sharing and exchanging playlists between different me...

Data
.XYZ

Extensible Markup Language

XML (Extensible Markup Language) is a markup language designed for encoding documents in a format that is both human-readable and machi...

Data
.X_B

Parasolid Binary File

The .x_b file extension represents a binary file format used by the Parasolid geometric modeling kernel. Parasolid is a widely used sol...

Data
.X_T

Parasolid Model Part

The .x_t file extension is associated with Parasolid, a geometric modeling kernel. These files contain 3D solid model data in a text-ba...

Data
.X3D

Extensible 3D Graphics

X3D (Extensible 3D Graphics) is an open, royalty-free ISO standard for defining 3D computer graphics. It is the successor to VRML (Virtual Reality Mod...

.XER

Primavera P6 Proprietary Exchange Format

The XER file format is a proprietary file format used by Oracle Primavera P6, a high-performance project management software suite. It is primarily us...

.XLSB

Excel Binary Workbook

The XLSB file extension represents the Excel Binary Workbook format, which is a specialized spreadsheet format developed by Microsoft as part of the O...

.XLSM

Microsoft Excel Macro-Enabled Workbook

The XLSM file extension represents a Microsoft Excel Macro-Enabled Workbook. Introduced with the release of Microsoft Office 2007, it is part of the O...

.XLSX

Microsoft Excel Open XML Spreadsheet

The XLSX file format is the default spreadsheet format used by Microsoft Excel, starting with Excel 2007. It's based on the Open XML standard, which u...

.XLTM

Microsoft Excel Macro-Enabled Template

An XLTM file is a macro-enabled template created by Microsoft Excel, the industry-standard spreadsheet application. Introduced with the Office Open XM...

.XLTX

Microsoft Excel Open XML Spreadsheet Template

The XLTX file extension represents a Microsoft Excel Template file that was introduced with the release of Microsoft Office 2007. It is based on the O...

.XMIND

XMind Workbook File

The XMind file format is a proprietary file format developed by XMind Ltd. specifically for their mind mapping and brainstorming software. Structurall...

.XMIND-TEMPLATE

XMind Template

An XMind Template file, identified by the .xmind-template extension, is a specialized document format used by XMind, a popular mind mapping and brains...

.XMT

Parasolid CAD Format (Text)

The XMT file extension is primarily associated with the Parasolid geometric modeling kernel, a world-leading 3D solid modeling engine developed by Sie...

.XPT

SAS Transport File

The XPT file format, also known as the SAS Transport file format, is a platform-independent data format developed by the SAS Institute. It was specifi...

.XSL

Extensible Stylesheet Language

XSL (Extensible Stylesheet Language) is a family of languages used for transforming and formatting XML (Extensible Markup Language) documents. It\'s p...

.XSPF

XML Shareable Playlist Format

XSPF (XML Shareable Playlist Format) is an XML-based playlist format designed for sharing and exchanging playlists between different media players and...

.XYZ

Extensible Markup Language

XML (Extensible Markup Language) is a markup language designed for encoding documents in a format that is both human-readable and machine-readable. It...

.X_B

Parasolid Binary File

The .x_b file extension represents a binary file format used by the Parasolid geometric modeling kernel. Parasolid is a widely used solid modeling ker...

.X_T

Parasolid Model Part

The .x_t file extension is associated with Parasolid, a geometric modeling kernel. These files contain 3D solid model data in a text-based format. The...