ARFF file format description
Many people share .arff files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .arff file can be edited, converted or printed with. On this page, we try to provide assistance for handling .arff files.
1 filename extension(s) found in our database.
.arff - Weka Attribute-Relation File Format
The ARFF data files are related to Weka. ARFF file is an Attribute-Relation File Format. Weka is a popular suite of machine learning software written in Java, developed at the University of Waikato. An ARFF (Attribute-Relation File Format) file is an ASCII text file that describes a list of instances sharing a set of attributes.
Naturally, other applications may also use the .arff file extension. Even harmful programs can create .arff files. Be especially cautious with .arff files coming from an unknown source!
Can't open a .arff file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows can't open this file:
To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.
To avoid this error, you need to set the file association correctly.
- Open Control Panel > Control Panel Home > Default Programs > Set Associations.
- Select a file type in the list and click Change Program.
The .arff file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
aff, arf, artf, rff, xrff
Is it possible that the filename extension is misspelled?
Similar file extensions in our database:
- FRAMES Air Flux File
- Roproc Format File Data
- BART Animated File Format
- WebEx Advanced Recording
- Axon IW Raw Image
- Weka eXtensible Attribute-Relation File Format Data
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