.SEAM File

File extension seam is associated with the Seam Framework, an open source development platform for building rich Internet applications in Java.

A typical .seam file stores JAVA servlet used for generating dynamic Web pages that are viewable in web editor.

Files with seam suffix can be quiet often found as special Java servlets generated using Seam Framework tool for creating Java based Internet apps.

How to open:

Use Seam Framework to open and work with .seam files.

How to convert:

Servrlet files are not meant to be converted to anything, so it is unlikely you can achieve seam conversion of any kind.