If you have a compressed EAR file (often stored in .rar or .zip formats for transfer), follow these steps to manage it:
: Ensure you are downloading from a secure enterprise portal. For example, in SAP environments, users often download portal sources as *.ear files from the Portal Content .
: Once extracted, the .ear file is not meant to be "run" like an exe. Instead, it is imported into a development environment such as SAP NetWeaver Developer Studio (NWDS) or Eclipse for code adjustment or deployment.
: It typically contains JAR files (for EJB modules) and WAR files (for Web modules).
: Used primarily in enterprise-level applications such as those running on SAP NetWeaver or IBM Maximo . How to Download and Extract EAR Files