There are 8 other file types using
the ADD file extension!
.add - Advantage Database Server data
.add - Adobe PageMaker related data
.add - Alphacam CAD/CAM die-cut drawing
.add - Microsoft Dynamics AX developer documentation
.add - Athena service configuration tool add data
.add - BSL Weighted Addition of Two Images
.add - Apache Beehive collection data
.add - MapTek Vulcan whittle 3D additional structure arcs
ADD file extension - Adapter device driver file
What is add file? How to open add files?
File type specification:
The add file extension is associated with the OS/2 an operating system for IBM-PC compatible computers developed by IBM. The *.add file contains device driver.
The OS/2 operating system is obsolete product without any support from IBM.
This add 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 add file:
OS/2
(obsolete software)
Company or developer:
IBM
OS/2 is operating system developed by IBM for personal computers. OS/2 is no longer marketed by IBM and support for OS/2 was discontinued in 2006. OS/2 is very similar like Windows in many ways, but also has similarities with Unix. The last version of OS/2 is named OS/2 Warp.
List of recommended software applications associated to the .add 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 add file, edit add file, convert add file, view add file, play add file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with add file - Adapter device driver file
Click on the software link for more information about OS/2. OS/2 uses add 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.).
Other operating systems or devices:
OS/2 (obsolete/discontinued)