There is one other file type using
the DUO file extension!

duo file icon.duo - Atari ST picture image

Detailed description

Software that works with duo file extension

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DUO file extension - Microsoft Access file

What is duo file? How to open duo files?

File type specification:

Various data file type icon Various data file type

duo file icon: duo filetype icon

The DUO file extension is associated with Microsoft Access. Microsoft Access is a database management system, part of Microsoft Office Suite, developed by Microsoft Corporation.

The default software associated to duo file type:

Microsoft Access icon

Microsoft Corporation logo Microsoft Access  Microsoft Windows software

Company or developer:
  Microsoft Corporation

Microsoft Access is popular relational database management system for Microsoft Windows. Microsoft Access is sold as stand-alone application, or as a part of Microsoft Office suite Professional edition and higher. Access uses own database format, to build databases, based on Jet Database Engine and also can import databases created by other applications.

Common file extensions for Access databases are accdb and mdb (previous MS Access versions).

Microsoft Office icon

Microsoft Corporation logo Microsoft Office  Microsoft Windows software

Company or developer:
  Microsoft Corporation

Microsoft Office is popular productivity suite for Microsoft Windows. Microsoft Office contains a set of applications and services used to work with documents (Microsoft Word), spreadsheets (Microsoft Excel), presentations (Microsoft Powerpoint), databases (Microsoft Access) etc..

Microsoft Office can be also used to manage e-mail accounts, tasks, calendars and contacts (Microsoft Outlook). Microsoft Office for Windows is distributed in four editions for Home, Academic and corporate sector.

Help how to open DUO files:

Due the variability and uncertainty of this file type group, there is no general information available, about how to open this various data file format. However most files with extension from this group are usually not meant to be opened or viewed directly. If there are associated applications or programs listed below the extension description, you can always try to check their website for additional informations on their forums or other type of customer support.

For general information try to look at:
Identifying unknown file formats

How to convert file with extension DUO:

Due the variability and uncertainty of this file type group, there is no general information available, about how to convert this various data file format. However most files with extension from this group are usually not in formats, which can be converted. If there are associated applications or programs listed below the extension description, you can always try to check their website for additional informations on their forums or other type of customer support.

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

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

  • Others duo file

Unspecified and all other actions for computer programs working with duo file - Microsoft Access file

Click on the software link for more information about Microsoft Access. Microsoft Access uses duo 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 duo file by default:
Microsoft Access small icon Microsoft Access
Microsoft Office small icon Microsoft Office

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DUMP file extension

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