Data File Extensions

Data file formats

12 extensions

Filter Extensions

Data Extensions

.accdb

Microsoft Access Database

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

ACIS Solid Model

The ACIS file format, identified by the '.acis' or '.sat' (Standard ACIS Text) extension, is a geome...
.acis (.sat)

ACIS Solid Model

The .sat file extension is associated with ACIS, a geometric modeling kernel developed by Spatial Co...
.acis (.sat, .sab)

ACIS Solid Model

The ACIS (.sat, .sab) file format is a geometric modeling kernel developed by Spatial Corporation (n...
.amf

Additive Manufacturing File Format

The Additive Manufacturing File Format (AMF) is an open standard file format designed for describing...
.apkm

APK Manifest

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

Attribute-Relation File Format

The ARFF (Attribute-Relation File Format) is a text file format developed by the Machine Learning Gr...
.arrow ipc

Apache Arrow IPC Stream

The Apache Arrow IPC Stream format (.arrow) is a binary file format designed for efficient data tran...
.ascii grid

ASCII Grid

The ASCII Grid file format (.asc) is a plain text raster data format commonly used for representing ...
.asciidoc

AsciiDoc

AsciiDoc is a human-readable document format that is semantically equivalent to DocBook XML, but use...
.autocad (dwg, dxf)

Drawing File

DWG (Drawing) is a proprietary binary file format used for storing two- and three-dimensional design...
.avro

Apache Avro Data File

Avro is a data serialization system developed within the Apache Hadoop project. It provides a rich d...

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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.