Browse file extensions by category or letter. Learn what each file type is used for and find software that can open, view, edit, or convert it.
Use this directory to look up file formats, understand what files are used for, and find compatible applications for Windows, macOS, Linux, mobile, and online tools.
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The PMS file extension is primarily associated with Primavera Project Planner, a sophisticated project management software suite devel…
The .pol file extension is associated with Plain Old Telephone (POT) data files. These files typically contain configuration informati…
The POTX file extension represents a Microsoft PowerPoint Template created using the Office Open XML format. Introduced with Microsoft…
A PPSX file is a Microsoft PowerPoint Slide Show file created using the Office Open XML format. It was introduced with Microsoft Offic…
The PPTX file format is the default file extension for presentations created in Microsoft PowerPoint version 2007 and later. It is par…
A .prefab file is a specialized data format used primarily by the Unity game engine to store 'Prefabs,' which are reusable templates f…
A .properties file is a plain text file used to store configuration information for Java applications. It typically contains key-value…
Protocol Buffers (protobuf) is a language-neutral, platform-neutral, extensible mechanism for serializing structured data. It's simila…
Protocol Buffers, often shortened to Protobuf, is a language-neutral, platform-neutral, extensible mechanism for serializing structure…
The .prov file extension is primarily associated with the W3C PROV-XML format, which is a standardized XML serialization for the PROV…
The PROV-N file extension represents a file written in the PROV Notation (PROV-N), which is a specific text-based syntax designed for…
A PROVX file is an XML-based configuration file used primarily by Hewlett Packard Enterprise (HPE) server management software, such as…
A PRT file is a 3D model or part file created with Siemens NX, a high-end computer-aided design (CAD), computer-aided manufacturing (C…
A .psql file is a plain text file containing SQL queries designed to be executed against a PostgreSQL database. These files are essent…
A PST file, which stands for Personal Storage Table, is a proprietary file format developed by Microsoft to store local copies of mess…
The .psydat file extension is primarily associated with data generated by PsychoPy, an open-source Python library designed for creatin…
The .psyexp file extension is primarily associated with PsychoPy, an open-source Python library and application used for creating and…
The PTS file format is a widely used ASCII-based data format primarily utilized in 3D scanning, surveying, and computer-aided design (…
The PTX file format is a standard ASCII-based exchange format primarily used in 3D laser scanning and terrestrial surveying. It was de…
The PWX file format is a specialized XML-based data format developed by TrainingPeaks for the exchange of athletic performance data. I…
The PMS file extension is primarily associated with Primavera Project Planner, a sophisticated project management software suite developed by Oracle. This file…
The .pol file extension is associated with Plain Old Telephone (POT) data files. These files typically contain configuration information or data related to tel…
The POTX file extension represents a Microsoft PowerPoint Template created using the Office Open XML format. Introduced with Microsoft Office 2007, it replaced…
A PPSX file is a Microsoft PowerPoint Slide Show file created using the Office Open XML format. It was introduced with Microsoft Office 2007 to replace the old…
The PPTX file format is the default file extension for presentations created in Microsoft PowerPoint version 2007 and later. It is part of the Office Open XML…
A .prefab file is a specialized data format used primarily by the Unity game engine to store 'Prefabs,' which are reusable templates for GameObjects. These fil…
A .properties file is a plain text file used to store configuration information for Java applications. It typically contains key-value pairs, where the keys re…
Protocol Buffers (protobuf) is a language-neutral, platform-neutral, extensible mechanism for serializing structured data. It's similar to XML, but smaller, fa…
Protocol Buffers, often shortened to Protobuf, is a language-neutral, platform-neutral, extensible mechanism for serializing structured data. It's similar to X…
The .prov file extension is primarily associated with the W3C PROV-XML format, which is a standardized XML serialization for the PROV Data Model. This format i…
The PROV-N file extension represents a file written in the PROV Notation (PROV-N), which is a specific text-based syntax designed for the W3C PROV Data Model (…
A PROVX file is an XML-based configuration file used primarily by Hewlett Packard Enterprise (HPE) server management software, such as HPE Intelligent Provisio…
A PRT file is a 3D model or part file created with Siemens NX, a high-end computer-aided design (CAD), computer-aided manufacturing (CAM), and computer-aided e…
A .psql file is a plain text file containing SQL queries designed to be executed against a PostgreSQL database. These files are essentially scripts that can be…
A PST file, which stands for Personal Storage Table, is a proprietary file format developed by Microsoft to store local copies of messages, calendar events, an…
The .psydat file extension is primarily associated with data generated by PsychoPy, an open-source Python library designed for creating and running psychology…
The .psyexp file extension is primarily associated with PsychoPy, an open-source Python library and application used for creating and running psychology experi…
The PTS file format is a widely used ASCII-based data format primarily utilized in 3D scanning, surveying, and computer-aided design (CAD) workflows. It stores…
The PTX file format is a standard ASCII-based exchange format primarily used in 3D laser scanning and terrestrial surveying. It was developed by Leica Geosyste…
The PWX file format is a specialized XML-based data format developed by TrainingPeaks for the exchange of athletic performance data. It is primarily used by en…
Everything you need to know about file extensions