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What are ROOT files and how to open them

Are you having problems opening a ROOT file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your ROOT files.

What is a ROOT file?

A .ROOT file is a CERN ROOT Format file.

CERN's ROOT Format Files, referred to as ".ROOT" files, are heavily-utilized in scientific research. Developed by the European Organization for Nuclear Research (CERN), these specific file formats store and facilitate the exchange of huge amounts of scientific data.

".ROOT" is an efficient and flexible format, which facilitates the storage and sharing of large quantities of data conveniently and quickly. Additionally, this format can handle a variety of data types, such as numerical arrays, histograms, and trees - making it ideal for scientific analysis and visualization.

If you want to access ".ROOT" files, you must have specialized software that understands the format. CERN's ROOT framework is the most popular choice due to its powerful and versatile data analysis capabilities, allowing users to easily access and manipulate these files.

How to open ROOT files

We have identified one ROOT opener that is compatible with this specific type of ROOT file.

Programs that open CERN ROOT Format files


Last updated: February 24, 2023

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