A do file extension is related to the disk image format used by DOS operating system.

There are 5 other file types using
the DO file extension!

empty icon.do - Digital Line Graph optional vector data

do icon.do - Java Servlet file

empty icon.do - 4oD Player playlist

empty icon.do - MicroSim PCBoard data

empty icon.do - Stata batch analysis data

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DO file extension - Disk image

What is do file? How to open do files?

File type specification:

Disk image (ISO) binary file type icon Disk image (ISO) binary file type

The do file extension was also used for disk images in old DOS operating system.

The "disk image" is typically a file containing every data byte on a diskette,i.e. Catalog tracks, files, DOS (if present) etc.. One kind of disk image, NIB, tries to preserve all disk information (e.g. sector headers, sync bytes, etc.).

Apple II emulators running on a PC, Mac, etc. treat disk image files like diskettes. Disk image files are also a handy way to archive Apple II disks on hard disk and to maintain wares on ftp and other download sites.

An image which is in DOS 3.3 order. This suffix is seldom used today.

The default software associated to open do file:

Apple2 Oasis picture or screenshot

Apple, Inc. logoApple2 Oasis  Microsoft Windows software

Company or developer:
Apple, Inc.

A2 Oasis for Windows supports the old 8-bit Apple II software under Windows. It is a program group including A2 Oasis Emulator, Disk Manager, and Disk Server.

AppleWin picture or screenshot

AppleWin  Microsoft Windows software

AppleWin is Apple IIe emulator for Microsoft Windows used to running Apple II programs. AppleWin supports lo-res, hi-res, and double hi-res graphics modes and can emulate both color and monochrome Apple II monitors. AppleWin also can emulate a television set used as a monitor. AppleWin recognizes .bin, .do, .dsk, .nib, and .po filename extensions as Apple II disk image files.

Help how to open:

Use compatible tools to work with *.do files.

How to convert:

Probably can be exported to other formats.

List of recommended software applications associated to the .do file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open do file, edit do file, convert do file, view do file, play do file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with do file - Disk image

Click on the software link for more information about Apple2 Oasis. Apple2 Oasis uses do file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

Main software associated with do file by default:
Apple2 Oasis

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