.SER File

File extension ser is mainly associated with Java. The ser files contains serialized object data. Java object serialization is Java's built-in mechanism for manipulating objects as streams of bytes.

Object serialization provides the foundation for Java's remote method invocation (RMI) capabilities that enable Java programs that are distributed over a network to invoke each others so-called "remote methods." RMI is used frequently in distributed enterprise applications that are built with Java Enterprise Edition (Java EE).

MIME types:
application/x-java-serialized-object
application/java-serialized-object

Files with ser extension are most notably related to the Java a programming language and framework. A ser file stores serialized object created by various programs developed by using the Java platform.

How to open:

Possibly, but with great difficulty, and only under certain conditions you can view or edit these ser files. Java serialized object shoud be edited by the Java application that made these files. So it is impossible, if you are not a Java programmer and don't have all needed Java development tools.

How to convert:

There is no way how to convert *.ser files to other formats.