Data File Extensions

Data file formats

155 extensions

Filter Extensions

Data Extensions

.html

HyperText Markup Language

HTML (HyperText Markup Language) is the standard markup language for creating web pages. It provides...
.xsl

Extensible Stylesheet Language

XSL (Extensible Stylesheet Language) is a family of languages used for transforming and formatting X...
.rst

reStructuredText Document

reStructuredText (RST, ReST, or reST) is a plain text markup syntax similar to Markdown. It is prima...
.odb

OpenDocument Database

The ODB file extension represents a database file created using the OpenDocument standard. It is the...
.sqlite3

SQLite3 Database

The .sqlite3 file extension is commonly used for SQLite database files. SQLite is a self-contained, ...
.mdb

Microsoft Access Database

The MDB file extension is primarily associated with Microsoft Access, a database management system (...
.asciidoc

AsciiDoc

AsciiDoc is a human-readable document format that is semantically equivalent to DocBook XML, but use...
.apkm

APK Manifest

The APKM file extension typically refers to the manifest file associated with an Android Package Kit...
.ddl

Data Definition Language File

A DDL (Data Definition Language) file contains commands used to define the structure of a database. ...
.sql

Structured Query Language File

A .sql file is a plain text file containing SQL (Structured Query Language) code. SQL is a standard ...
.sqlite

SQLite Database File

The .sqlite file extension typically indicates a database file created using the SQLite database man...
.xlsx

Microsoft Excel Open XML Spreadsheet

The XLSX file format is the default spreadsheet format used by Microsoft Excel, starting with Excel ...
.json

JavaScript Object Notation

JSON (JavaScript Object Notation) is a lightweight, human-readable data-interchange format. It is wi...
.sqlitedb

SQLite Database

A .sqlitedb file is a database file created by SQLite, a self-contained, serverless, zero-configurat...
.sdb

StarOffice Database

The SDB file extension is primarily associated with StarOffice and OpenOffice.org, specifically thei...
.dbf

Database File

A DBF file is a database file format commonly associated with dBase, FoxPro, Clipper, and similar da...
.accdb

Microsoft Access Database

The .accdb file extension is the default file format for databases created with Microsoft Access, a ...
.tsv

Tab-Separated Values

A TSV (Tab-Separated Values) file is a simple text-based format for storing tabular data, such as sp...
.smi

Synchronized Multimedia Integration Language

The SMI (Synchronized Multimedia Integration Language) file format, often seen with the extension .s...
.csv

Comma Separated Values

A CSV (Comma Separated Values) file is a plain text file that stores tabular data (numbers and text)...
.ods

OpenDocument Spreadsheet

The ODS file extension represents a spreadsheet document format used by OpenOffice and LibreOffice, ...
.ldf

SQL Server Log File

An LDF file is a log file used by Microsoft SQL Server. It contains a record of all transactions and...
.tmp

Temporary File

A .tmp file is a generic temporary file created by various programs and operating systems. These fil...
.yaml

YAML Ain't Markup Language

YAML (YAML Ain't Markup Language) is a human-readable data serialization standard that is often used...

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Frequently Asked Questions about Data Files

Data file extensions are used for files that store structured information for use by applications, including databases, spreadsheets, and specialized data formats.

To open Data files, you'll need appropriate software that supports the specific file extension. Here are some general recommendations:

  • Choose software specifically designed for the file extension you're trying to open
  • Visit each specific file extension page for detailed software recommendations

For detailed information about specific file extensions, click on any extension in our directory.

Converting Data files to different formats can be done using:

  1. Dedicated software - Many applications that open these files also allow saving in different formats
  2. Online conversion services - Websites like Zamzar, CloudConvert, or Online-Convert
  3. Format-specific converters - Tools designed for specific conversion paths

Remember that conversion may result in some loss of quality or features depending on the compatibility between formats.

If you're having trouble opening a Data file:

  1. Verify the file isn't corrupted by trying to open it on a different device
  2. Make sure you have the latest version of your software
  3. Try using alternative software that supports the file format
  4. Consider converting the file to a more common format if possible
  5. Check for file extension errors - sometimes files are incorrectly named

For specific recommendations, visit the detailed page for your particular file extension.