File Extension Search

.abi File Extension

Developer: N/A
File type: DNA Chromatogram File
You're here because you have a file that has a file extension ending in .abi. Files with the file extension .abi can only be launched by certain applications. It's possible that .abi files are data files rather than documents or media, which means they're not meant to be viewed at all.

what is a .abi file?

Genetic researchers and scientists use DNA sequencing and DNA analysis devices or machines that can be connected to computers running on compatible OS environments. Most of these devices can produce digital data which can be entered into applications designed to organize these pieces of raw data for further analysis. Some of these applications include the Geospiza FinchTV application for Microsoft Windows-based systems and Mac platforms, the Technelysium Chromas Lite or ChromasPro software and the CubicDesign DNA Baser application among other DNA sequence analysis programs. Most of these applications, particularly ones mentioned here, use files appended with the .api extension. These ABI files are used as output files and also as data files referenced by the application upon user request. The content of these ABI files are the pieces of raw data generated in digital format (in the ABI format) by associated genetic sequencing and analysis machines. Electropherogram files may also be in the ABI format, and DNA trace files generated by these associated machines are usually saved and appended with the .abi extension.

how to open a .abi file?

Launch a .abi file, or any other file on your PC, by double-clicking it. If your file associations are set up correctly, the application that's meant to open your .abi file will open it. It's possible you may need to download or purchase the correct application. It's also possible that you have the correct application on your PC, but .abi files aren't yet associated with it. In this case, when you try to open a .abi file, you can tell Windows which application is the correct one for that file. From then on, opening a  .abi file will open the correct application. Click here to fix .abi file association errors

applications that open a .abi file

Sequencher for Mac

Sequencher for Mac

Sequencher is a DNA Sequence analysis analyzing sequences in genomic and pharmaceutical companies including academic and government laboratories. It is used by life Science researchers in diverse DNA sequence analysis applications like the de novo gene sequencing, mutation detection, forensic human identification, systematics, and others. It features heterozygote and SNP detection and analysis, comparative sequencing, cDNA to Genomic DNA large gap alignment, it has support for confidence scores, ORF translation, GenBank that import and also restrict enzyme mapping. The Lion Compatible Sequencher is now Intel-native and is able to run on all versions of MacOS X from 10.5 to 10.7. The software can reference-guided alignments of more than 200 million bases using the Longer Reference Sequences Sequencher. It has a broad range of data import and export capabilities, which includes customizable GenBank Feature handling and specialized tools for Forensic mtDNA profiling. The software fully supports sequence data confidence values and it has powerful Reference Sequence and the Variance Table that could search SNPs.


A biological sequence editor, BioEdit provide the basic functions needed for nucleic and protein sequence analysis, alignment, manipulation, and editing. It has a graphical interface for editing and sequence manipulation, with various editing options and it anchors alignment columns that helps in protecting fixed regions in alignment. This software can both automatically or manually annotate sequences using through features like exons, promoters and all other GenBank standard feature types. For synchronized hand alignment, BioEdit groups sequences into color-coded families and locks group members. It uses user-defined motif searching with the use of standard Prosite nomenclature which utilizes IUPAC characters to search for nucleic acid sequence, amino acid sequence, and text searches. It also has Rudimentary phylogenetic tree viewer that supports printing and node flipping, and RNA comparative analysis tools which includes potential pairings, covariation and mutual information analyses, and it also has amino acid translation which aligns protein-encoding nucleic acid sequences.

a word of warning

Be careful not to rename the extension on .abi files, or any other files. This will not change the file type. Only special conversion software can change a file from one file type to another.

what is a file extension?

A file extension is the set of three or four characters at the end of a filename; in this case, .abi. File extensions tell you what type of file it is, and tell Windows what programs can open it. Windows often associates a default program to each file extension, so that when you double-click the file, the program launches automatically. When that program is no longer on your PC, you can sometimes get an error when you try to open the associated file.

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