Azure Archive Storage - Low cost, secure cloud storage for rarely accessed data.

Cryoserver - Cryoserver is an all-in-one email archiving solution that empowers you to preserve your email in a tamper-evident archive, making you transform your data into a useful archive for everyday use.

Amazon Glacier - Amazon Glacier is a secure, durable, and extremely low-cost storage service for data archiving and long-term backup.

ZixArchive - ZixArchive is a cloud-based solution to collect, store and search archived emails.

Mimecast Cloud Archive - Reduce costs with Mimecast's cloud archive to move to the cloud with a single, secure archive for email, files and other content.

Athena Archiver - Athena Archiver Email Archiving Solutions provide enhanced disaster recovery options by enabling automatic off-site email storage and data replication to a mirror site.