STS Symantec Enterprise Vault 10.0 for Exchange SSE Symantec Enterprise Vault 10 (March 2012) SSE+ Symantec Enterprise Vault 10 (April 2012) SSE Symantec Clearwell eDiscovery Platform (August 2012) STS Clearwell eDiscovery Platform 7.x SSE+ Symantec Clearwell eDiscovery Platform (September 2012) SSE+ Symantec Enterprise Vault.cloud (March 2013) SSE Symantec Enterprise Vault.cloud (March 2013)