A sem file extension is related to the Alpha Five, a rapid application development tool. A sem file contains objects data.

There are 2 other file types using
the SEM file extension!

empty icon.sem - Sealed e-mail file

empty icon.sem - ZX Spectrum-Emulator snapshot file

Detailed description

Software that open sem file

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SEM file extension - Alpha Five set objects

What is sem file? How to open sem files?

The sem file extension is associated with the Alpha Five, a relational database system and development environment.

This file stores additional set objects such as Layouts (forms, browses, etc.), report designs, and saved operations in memo format.

The default software associated to open sem file:

Alpha Five picture or screenshot

Alpha Software, Inc. logoAlpha Five  Microsoft Windows software

Company or developer:
Alpha Software, Inc.

Alpha Five is Relational Database Management System (RDMS) and Rapid Application Development system (RAD) that is used to create Windows and Web applications.

Help how to open:

Use Alpha Five to work with *.sem files.

How to convert:

Conversion to other formats is not possible.

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

Unspecified and all other actions for computer programs working with sem file - Alpha Five set objects

Click on the software link for more information about Alpha Five. Alpha Five uses sem 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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