| | | Enterprise Edition | Open Source Edition |
| Email Archiving | Archives all incoming, outgoing and internal emails | X | X |
| Granular Archiving Rules | Define granular archiving rules according to retention policy | X | X |
| Compression | Maximize storage space using zip compression | X | X |
| Encryption | All emails are stored encrypted using triple DES encryption | X | X |
| Search & Retrieval | Search, view and print archived emails | X | X |
| Search Queries | Find emails using complex search criteria | X | X |
| Search Inside Attachments | Supports multiple attachment types (e.g. word, powerpoint, RTF, PDF and ZIP) | X | X |
| Web-based User Interface | Use a web browser to access archived emails | X | X |
| Windows Console Login | Login to web console using Windows authentication | X | X |
| Built-In Console Login | Login to web console using built-in authentications | X | X |
| Employee Access | Permit/restrict employee access to their own emails | X | X |
| Auditing | Comprehensive audit trail and system logging | X | X |
| Internationalization | Archive and search emails in many different languages | X | X |
| Multi-platform | Support for most modern operating systems (incl. Windows, Linux and OS X) | X | X |
| No Database Required | Messages are stored directly on the file system | X | X |
| Multiple Disks | Intelligently stores emails on multiple hard disks | X | X |
| Multiple Mail Systems | Integrates with Microsoft Exchange 2000/2003, Postfix, Sendmail, Qmail and others | X | X |
| PST Import | Import emails from your PST files using the PST2MailArchiva utility | X | X |
| Exchange Import | Import emails from Microsoft Exchange directly | X | X |
| No Proprietary Formats | Messages stored in standard RFC822 format | X | X |
| Ease Of Use | Simple to use and manage | X | X |
| Turnkey | Install takes less than 30 minutes | X | X |
| Documentation | Detailed installation and usage instructions | X | X |
| Multiple Exchange Stores | Archive emails from multiple exchange stores | X |
| Multiple Exchange Servers | Archive emails from multiple exchange servers | X |
| Bulk Export | Export emails in bulk | X |
| Bulk Deletion | Delete emails in bulk | X |
| Bulk Printing | Print emails in bulk | X |
| Bulk Viewing | View emails in bulk | X |
| Save Search Results | Save the search results to a CSV file | X |
| Exchange 2007 Support | Supports Microsoft Exchange 2007 | X |
| Envelope Journaling | Stores all email header and addressing information (including BCC fields and Exchange groups) | X |
| Smart Attachment Storage | Save on storage costs by storing only one copy of an attachment across several emails | X |
| Restore | Restoration of emails en bulk to multiple mail systems | X |
| Retention | Define email retention policy | X |
| Distributed Search (scalability) | Search in parallel using the resources of multiple servers arranged in a cluster | X |