Files with ldm file suffix are related to the Sybase PowerDesigner logical data model format.
There are 2 other file types using
the LDM file extension!
.ldm - VolumeViz multi-resolution volume image
.ldm - Ludek Maker picture image
Detailed description
Software that open ldm file
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LDM file extension - Sybase PowerDesigner logical data model
What is ldm file? How to open ldm files?
The ldm file extension is associated with the PowerDesigner, a business process and data modeling program, developed by Sybase company.
The ldm file stores logical data model from this program.
The default software associated to open ldm file:
PowerDesigner 
Company or developer:
Sybase Inc.
PowerDesigner is the industry-leading business process / data modeling software and metadata management solution for data architecture, information architecture and enterprise architecture. The latest release is version 16.
Help how to open:
Use Sybase PowerDesigner to work with ldm files.
How to convert:
As far as we know, this .ldm 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 software applications associated to the .ldm 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 ldm file, edit ldm file, convert ldm file, view ldm file, play ldm file etc. (if exist software for corresponding action in File-Extensions.org's database).
Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting ldm files.
Software that open ldm file - Sybase PowerDesigner logical data model
Programs supporting the exension ldm on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about PowerDesigner for open ldm file action.
Programs that can create ldm file - Sybase PowerDesigner logical data model
Programs supporting the exension ldm on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about PowerDesigner for create ldm file action.
Unspecified and all other actions for computer programs working with ldm file - Sybase PowerDesigner logical data model
Click on the software link for more information about PowerDesigner. PowerDesigner uses ldm 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.).
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