Files with DYN extension might also be found as data files from old Lotus 1-2-3 program.

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

dyn file icon.dyn - Dyno2000 engine simulation file

Detailed description

Software that works with dyn file extension

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DYN file extension - Lotus 1-2-3 file

What is dyn file? How to open dyn files?

File type specification:

Various data file type icon Various data file type

dyn file icon: dyn filetype icon

The DYN file extension was also used in old Lotus 1-2-3 productivity suite from some of its data file. Much like the program, it is obsolete.

The default software associated to dyn file type:

Lotus 1-2-3 icon

IBM logo Lotus 1-2-3  Microsoft Windows software

Company or developer:
  IBM

IBM Lotus 1-2-3 is spreadsheet application very popular in 80s and 90s of 20th century. It was released for Microsoft Windows, MS-DOS, Mac OS and OS/2. In 2002 IBM stopped the developing of the IBM Lotus 1-2-3. In the latest versions is Lotus 1-2-3 fully compatible with Microsoft Excel.

Help how to open DYN files:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert file with extension DYN:

As far as we know, this .dyn file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .dyn 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 dyn file, edit dyn file, convert dyn file, view dyn file, play dyn file etc. (if exist software for corresponding action in File-Extensions.org's database).

  • Others dyn file

Unspecified and all other actions for computer programs working with dyn file - Lotus 1-2-3 file

Click on the software link for more information about Lotus 1-2-3. Lotus 1-2-3 uses dyn 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:

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