Files with SEM extension might also be found as "sealed" e-mails created using SealedMedia platform..

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

empty icon.sem - Alpha Five set objects

empty icon.sem - ZX Spectrum-Emulator snapshot file

Detailed description

Software that open sem file

Add comment

Bookmark & share this page with others:

SEM file extension - Sealed e-mail file

What is sem file? How to open sem files?

File type specification:

Document file type icon Document file type

The SEM file extension was also in the past used for "sealed" e-mail messages encrypted using the SealedMedia platform. Seems like Oracle bought the program.

The default software associated to open sem file:

Oracle Corporation logoUnsealer  Microsoft Windows software

Company or developer:
Oracle Corporation

Unsealer is a free browser plugin that is used to view sealed documents.

Help how to open:

You should be able to access these files using the Unsealer program.

How to convert:

As far as we know, this .sem 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 .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's database).

sem file viewer - programs that view sem file - Sealed e-mail file

Programs supporting the exension sem on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Unsealer for view sem file action.

Microsoft Windows:

Previous file extension
SEEK file extension > Document file types

Next file extension
file extension SEO


Follow us!

Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

RSS feed