All about ACL Files

The ACL file type is primarily associated with setfacl.

ACL	File extension: ACL
	File type:	access control list

What is an ACL file?

ACL files mostly belong to setfacl by setfacl Developers. An ACL file contains an access-control list (file/folder access permissions) recorded by the setfacl program on UNIX systems. RaidenFTP file transfer application also saves file/folder access rights in ACL files. Office productivity software suite uses an ACL file to save a list of words which its AutoCorrect feature uses to correct misspelled words. All Office applications can access this file. Some versions of CorelDRAW graphics design software suite use an ACL file to store keyboard accelerator data.

How to open an ACL file

You need a suitable software like setfacl to open an ACL 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 ACL file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ACL file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ACL Text Viewer

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Programs that open and convert ACL files:

setfacl by setfacl Developers
See the previous paragraphs to learn more about the main application. ACL files are often referred to as setfacl settings because this type of file is primarily created or used by this software.
ACL Desktop (data) by ACL
ACL Desktop is a discontinued financial data analysis, auditing, and compliance software. This application uses data saved in an ACL file. This file format is classified as Data.
ArchiCrypt (secure data volume) by Exklamate
ArchiCrypt is a discontinued data encryption software. A volume (file) securely encrypted with this program is saved in an ACL file. This file format is classified as Compressed.
CorelDRAW (keyboard accelerator data) by Corel
CorelDRAW is vector/raster graphics design software suite for Windows desktop. Older versions of CorelDRAW save keyboard accelerator data in an ACL file. This file format is classified as Data.
Office (autocorrect list) by Microsoft
Office is an office productivity software featuring word/spreadsheet processing, presentation, and database management applications. A list of words used by its autocorrect feature is saved in an ACL file. This file format is classified as Data.
RaidenFTPD (rights) by Raiden
RaidenFTPD is a File Transfer Protocol based server application for Windows operating system. Its file and folder access rights are saved in an ACL file. This file format is classified as Settings.

ACL file extension format:

The file format determines how the data is stored in the file. The file format can be determined based on the file extension and the signature (the first few characters of a file). File extension, signature and file format must match; otherwise errors will occur when the file is opened. So a detailed analysis of a file is vital in order to determine the format and the associated program. Our analysis of the ACL files produces the following result:

The ACL extension is quite commonly used. The file itself covers different formats for different programs. The file formats most commonly found in ACL files are:

60% of all ACL files have the same signature 04 01 96 00. These are binary files, so they do not contain words or text. The files are on average 37 KB in size and range from 13 KB to 45 KB. The file type is very old but is also used today. Certain words are almost always found in the files, such as abbout, about, abotu, abouta and about a. MSO1033.acl or MSO0127.acl is a typical file name.
10% of all ACL files belong to Office AutoCorrect List. These files are binary files, so they do not contain text, but only cryptic characters. The average file size is 30 bytes with most files being between 30 bytes and 36 bytes in size. Examples of file names are MSO1031.acl or MSO1046.acl.

The remaining 30% of all ACL files are files with no common format, often e.g. XML, UTF-16 (LE), UTF-8 and ACL. The category is auto, save, raidenftpd, arabic, backup or mssp. Drag & drop your file here to see the file format and a preview of your ACL file!

Technical Data for ACL File Extension

File classification:

Settings

Related files:

aclfile, alc, acldata, akl, lex, fil, contact, exc, pip, exe, zip, ad, xlsx, dic, txt, pdf

Mime type:

application/octet-stream

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: ACLFile, FileType: AutoCorrect List File

ProgramID: aclfile
EXEFile: %ProgramFiles%\ACL Software\ACL Version 8\ACLWin.exe

an acl access control list is a special file format by setfacl Developers and should only be edited and saved with the appropriate software.

How to solve problems with ACL files

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