Opening an A File

The A file type is primarily associated with ar.

A	File extension: A
	File type:	compressed archive

What is an A file?

A files mostly belong to ar by ar community. An A file is a static object code library compiled from source code written in high/low level programming languages such as C, C++, Ada, Pascal, and Assembly. A static object code library (A file) is saved in AR archive format which is used by the ar archiver on UNIX-like platforms. Another type of A file contains bytecode compiled from Java source code. A is also the filename extension of a PDF-encoded document created by Calibre e-book authoring software. Some image editors save an image's alpha channel data in an A file.

How to open A files

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

Online A File Viewer

Choose your .a file to view

or drag and drop it here

Online File Viewer

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How to extract texts from A files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

You can extract texts from A file or capture a preview screenshot using our online A file viewer:

To do this, click the button "Choose your .a file to view" on this page.
Your A file will then be displayed in the browser.
Now click on "Save as..." at the top of the page.
Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
Download the converted file.

Programs that open and convert A files:

ar by ar community
See the previous paragraphs to learn more about the main application. A files are often referred to as ar developers because this type of file is primarily created or used by this software.
Calibre (book) by Kovid Goyal
Calibre is an open source e-book authoring program compatible with Linux, Windows, and macOS. A PDF document created with Calibre has A filename extension. This file format is classified as eBook. Related links: PDF
Free Pascal (static object code library) by Free Pascal Team
Free Pascal is an open source compiler for programs written in Pascal programming language. It saves static object code libraries in an A file. This file format is classified as Developer.
GCC (static object code library) by Free Software Foundation
GCC is a cross-platform software suite for compiling and debugging programs written in C, C++, Go, and other programming languages. It uses an A file to store a static object code library compiled from source code written in the aforementioned languages. This file format is classified as Developer. Related links: ar, ar (Unix), GNU Binutils
GNAT Studio (static object code library) by AdaCore
GNAT Studio is an integrated development environment with support for Ada, C, C++, SPARK, and Python programming languages. The static object code library of Ada, C, and C++ programs created with GNAT Studio are stored in A files. This file format is classified as Developer.
Image Alchemy (alpha channel image data) by Handmade Software
Image Alchemy is an image viewer and editor which supports over 90 raster image formats. It can open an A file containing the alpha channel data of an image. This file format is classified as Raster Image.
Java SDK (compiled code) by Oracle
Java SDK is a software development kit providing tools required to compile, debug, and execute programs written in Java programming language. Some Android projects written in Java use compiled classes saved in files with A filename extension. Java Virtual Machine can execute such files. This file format is classified as Developer. Related links: Java Class File
SASM (static object code library) by Dmitriy Manushin
SASM is an open source integrated development environment with support for FASM, GAS, NASM, and GAS assembly languages. A static object code library compiled from source code written in these languages is saved in an A file. This file format is classified as Developer.
Writer (text document) by Apache
Writer is a word processing application bundled with OpenOffice productivity software suite. It can open and read a ZIP-compressed A file saved in OpenDocument text (ODT) format. This file format is classified as Data. Related links: OpenDocument

A file format:

If you can determine the file format, the associated program can also be determined. The file format can be determined based on the file extension and the signature (the first few characters of a file). If the file extension or signature does not match the file format, errors will occur when opening or editing the file. When there is a problem with a file, the first step to solving it is to determine the file format. Below is our analysis of the A files:

The A extension is very commonly used. This A file itself is among the most popular common file types and includes different formats for the applicable programs. The two most popular formats are as follows:

30% of all A files are associated with BSD library files, which internally utilize the well-known LinuxAr format. This file format is an archive created by the Unix archiver "ar", which stores multiple files together in a single archive, that allows each one to be separately retrieved later. They consist of unreadable binary data. The files are 10 KB to 3 MB in size, with a median of 280 KB. The file type was developed 10 years ago and is still in use today. Certain words are almost always found in the files, such as !<arch>. These files are often associated with libcfp, libholberton, core, libmnew, libwxbase, ammclib, libgpsd, client, libbgi, libdmd, libesp, master and libc.
7% of all A files start with the bytes Êþº¾, which are crucial for this file format. The contents of these files cannot be read by a human; only a computer program can interpret the data. The files are 600 KB to 61 MB in size, with a median of 6 MB. The files contain the following words: !<arch> and __.SYMDEF. Some examples of file names are libPayPalMobile.a. Such files sometimes refer to mobile.

All other A files (63%) have no consistent format, the following 11 formats can be found: Binding of Isaac Rebirth packed Archive, PDF, ZIP, ELF, JPG, JetDB, PNG and UNA. These files sometimes refer to graphics, config, repentance, music, pagu, inversiones, animations, antibirth, library, debug, rooms or libm. If you want to find out which format your A file belongs to, just click on the button "Choose your .a file to view".

Technical Data for A File Extension

File classification:

Developer

Related files:

ar, emap, file, arch, check, flag, o, a2, library, a3, cpu, online, arch00, na, lib, so, f2, unknown, iar, elf

Related links:

ar (Unix), GNU Binutils

Mime type:

application/x-archive, application/x-unix-archive, text/plain

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: AudibleManager
EXEFile: %ProgramFiles%\Windows Media Player\wmplayer.exe /prefetch:7 /Open %L

ProgramID: MSAudible
EXEFile: %ProgramFiles%\Microsoft Reader\MSReader.exe %1

ProgramID: RealPlayer.RA.6
EXEFile: %ProgramFiles%\K-Lite Codec Pack\Media Player Classic\mplayerc.exe %1

ProgramID: RealPlayer.RA.6
EXEFile: %ProgramFiles%\Real\RealOne Player\RealPlay.exe %1

ProgramID: RealPlayer.RA.6
EXEFile: %ProgramFiles%\Real\RealPlayer\RealPlay.exe %1

ProgramID: RealPlayer.RA.6
EXEFile: %ProgramFiles%\Real\RealPlayer\RealPlay.exe /m audio/vnd.rn-realaudio %1

ProgramID: IZArc
EXEFile: %ProgramFiles%\IZARC\IZARC.EXE %1

ProgramID: IZArcA
EXEFile: %ProgramFiles%\IZArc\IZArc.exe

Show all 9 listings To Top

an a compressed archive is a special file format by ar community and should only be edited and saved with the appropriate software.

How to solve problems with A files

Associate the A file extension with the correct application.
Update your software that should actually open compressed archives. Because only the current version supports the latest A file format. Search, therefore, e.g. on the ar community manufacturer website after an available ar update.
To make sure that your A file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .A file online - secure, fast, and no downloads needed.