Opening ALI Files

The ALI file type is primarily associated with ClustalW, SAP ERP.

ALI	File extension: ALI
	File type:	data file

What is an ALI file

ALI files mostly belong to ClustalW, SAP ERP. ALI files come in two main forms.
For bioinformatics, an ALI file holds protein sequence alignment data. It stores sequences arranged in a format used for comparing multiple proteins. Tools like 3D-JIGSAW, ClustalW, and MUSTANG generate or process these files. They are plain text in structure and follow a multiple sequence alignment format. For more details, see this resource.
Another form is found in enterprise systems. Here, an ALI file is used for SAP ABAP List Output. It is a system-generated report output from SAP ERP software that records log and report data. More info is available at SAP's website.
Key Points provided by FilExt.com:

Protein Sequence Alignment: Contains aligned protein sequences for analysis.

SAP ABAP Output: Holds formatted log/report data produced by SAP systems.

FilExt.com note: To view an ALI file, open it first with a text editor to identify its structure. Then, use specialized software (bioinformatics tools for protein data or SAP ERP tools for ABAP output) to properly view and analyze the content.

How can I open an ALI file?

You need a suitable software like ClustalW, SAP ERP to open an ALI file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your ALI file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ALI file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ALI Text Viewer

Choose your .ali file to analyze

or drag and drop it here

Online File Viewer

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Programs that open and convert ALI files:

ClustalW, SAP ERP
See the previous paragraphs to learn more about the main application. ALI files are often referred to as ClustalW, SAP ERP data files because this type of file is primarily created or used by this software.
DESQview by Symantec Corporation
DESQview was a multitasking program that ran over MS-DOS to provide a multi-program running environment. The program was developed and marketed by Quarterdeck Corporation which was purchased by Symantec 15 October 1998. DESQview is no longer marketed.
Inspect3D (Aligned Image Stack) by FEI Company
FEI brings sub-Ångström resolutions for analysis and modification to a global audience. This file is an aligned image stack of a tomography series.
OM2 OMALI Native OMALI Document
SAP Proprietary Format Document File

Technical Data for ALI File Extension

File classification:

Data

Related files:

aln, msa, fasta, msf, pap, txt, profile, rtf, ai, jpeg, zip, jpg, dwm, snf, dvo, log

Mime type:

text/plain

an ali data file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with ALI files

Associate the ALI file extension with the correct application.
Update your software that should actually open data files. Because only the current version supports the latest ALI file format. Search, therefore, e.g. on the manufacturer website after an available ClustalW, SAP ERP update.
To make sure that your ALI file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
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