Files with apd suffix may also possibly be old printer description files from legacy Adobe PageMaker desktop publishing software.
APD file extension - Adobe PageMaker printer description file
What is apd file? How to open apd files?
File extension apd was also used in the now discontinued Adobe PageMaker desktop publishing software for Windows and Mac machines.
It seems that .apd files used in PageMaker were some kind of printer descriptions. Most likely used during document printing.
This apd file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.
The default software associated to open apd file:
Company or developer:
Adobe Systems Incorporated
One of the first desktop publishing programs was introduced in 1985 by Aldus Corporation, initially for the then-new Apple Macintosh and in 1987 for PCs running the then-new Windows 1.0.
It was later bought by Adobe and rebranded Adobe PageMaker. The last version of Adobe PageMaker 7 was released in 2001, and in 2004 the product was discontinued and slowly replaced by Adobe InDesign.
List of recommended software applications associated to the .apd 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 apd file, edit apd file, convert apd file, view apd file, play apd file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with apd file - Adobe PageMaker printer description file
Click on the software link for more information about Adobe Pagemaker. Adobe Pagemaker uses apd 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.).