Best Free Email Archiving Software of 2026

Retake control of your email. InMoat allows you to select the emails that are most important to you, so you don't miss a beat. The Smart Filters you choose will be sent to your Inbox in a prioritized manner. Your VIP List of Contacts Emails sent from within your company, such as from your boss or colleagues, will always be prioritized by default. InMoat allows you to keep your Trusted List up-to-date, so you can ensure that your VIP contacts are always prioritized in your email inbox. Your @InMoat folder You can review the less urgent and less important emails whenever it is convenient for your workflow so that you don't waste time. You can review all your emails in your @InMoat mailbox whenever you like. Your InMoat Dashboard Your InMoat dashboard allows you to manage your email priorities and keep your inbox current. Review your suggested contacts and add them to your Trusted List. Also, update your Trusted contact list.

Hexamail flow is an email client that includes calendaring, tasks, and contacts. It works with Office 365, Gmail and Exchange on premises, as well as all IMAP/POP3 servers. The GDPR data protection module provides email and office document redaction capabilities, including full PST file import, EML and MSG file import, Office document import, printing output, or PDF generation of redacted material.

Aid4Mail is a leading email processing tool from Switzerland. It comes in three editions: 1. Use Converter to collect and convert emails accurately, fast, and reliably. It supports all popular mail services (e.g. Office 365, Gmail, Yahoo! Mail) and mailbox file formats (e.g. PST, OST, OLM, mbox). It’s also a popular solution for preparing mail ingestion into archival, eDiscovery and forensics platforms. 2. Investigator adds powerful search queries based on Gmail and Microsoft 365 syntax, native pre-acquisition filters and Python scripting. Use its forensic features to recover deleted and hidden email, and process corrupt or unknown mail formats. 3. Enterprise adds support for Google Vault, Mimecast, and Proofpoint exports. Use it to migrate your company mail to live accounts (IMAP, Microsoft 365, Gmail). You can integrate its CLI seamlessly with your own tools. Enterprise offers flexible licensing options including installation on a server or on a shareable flash drive. Aid4Mail is used by Fortune 500 companies, government agencies and legal professionals around the world.

With SpinOffice, you create a central spot for your mail, business contacts, appointments, tasks, projects, folders, documents, files and notes. No matter what you’re working on, how big or small the task may be, SpinOffice makes it super easy to get stuff done. And best of all, you share all information in the database with your colleagues. That makes SpinOffice CRM the ultimate team application for any small and medium-size business. Discover how your business can grow with SpinOffice CRM! Sign up and get started with the free version. Upgrade to Pro for € 27,50 per month per user to get unlimited data storage and more features.

MailArchiva is an enterprise-grade email archiving, ediscovery, and compliance solution. MailArchiva has been used in some of the most challenging IT environments around the globe since 2006. MailArchiva is a server that makes it easy to retrieve and store long-term email data. It is ideal for companies who need to comply with e-Discovery records requests quickly and accurately. MailArchiva offers tight integration (including full calendar, contact & file synchronization) with a wide range of mail services including MS Exchange, Office 365, Microsoft 365 (Microsoft 365), and Google Suite. MailArchiva has many benefits. It reduces time to find information and fulfill discovery record requests. It also ensures that emails are preserved over the long-term. It also helps employees collaborate effectively. Sarbanes Oxley Act), which reduces storage costs up to 60%.

Xeams, a secure and powerful complete email server for Windows, Linux Solaris, MacOSX, and other flavors UNIX, is available. Xeams supports SMTP and POP3, as well as IMAP. It has a powerful spam filtering engine which eliminates up to 99 percent of junk mail upon installation. It is very user-friendly because it offers a flexible approach to email.

harmon.ie is a Microsoft 365 productivity platform that simplifies how organizations save, classify, and manage emails and documents from Outlook. The solution connects Outlook users with SharePoint, Teams, and OneDrive so they can work with important files and messages from one familiar interface. Users can drag and drop emails or attachments into Microsoft 365 locations while harmon.ie captures key metadata automatically. The platform can map email headers to SharePoint fields, apply labels to saved messages, and prompt users to add required metadata when needed. This makes it easier for businesses to keep records organized, searchable, auditable, and aligned with governance policies. harmon.ie offers two product options, including New harmon.ie for Outlook on the Web, Outlook for Mac, new Outlook, and classic Outlook, plus harmon.ie Classic for traditional Outlook for Windows and hybrid SharePoint environments. IT teams can use harmon.ie to support compliance, retention, centralized governance, and secure Microsoft 365 adoption. Business users benefit from a smoother workflow because they can stay inside Outlook instead of navigating SharePoint through a browser. harmon.ie helps enterprises reduce information silos, improve document handling, and make email management easier at scale.

The Libraesva Email Archiver is a robust solution for secure email retention and e-discovery, meticulously designed to capture, safeguard, and grant immediate access to the entirety of an organization’s email history in real time. Every email is preserved in digitally signed, tamper-proof archives, ensuring that messages remain unchanged and legally defensible, all while delivering exceptional availability and performance. Users benefit from advanced full-text search functions that allow for the swift identification of emails, attachments, headers, and metadata across millions of records in mere seconds, facilitating the quick recovery of lost or erased communications. With customizable retention policies, legal hold options, and detailed audit trails, organizations can ensure compliance with key regulations such as GDPR, HIPAA, CCPA, and SOX, effectively minimizing both legal and operational risks. Moreover, it offers seamless integration with platforms like Microsoft 365, Exchange, Google Workspace, and other email systems, enabling access through various interfaces, including Outlook, web, or mobile applications. This multifaceted approach not only enhances email management but also empowers organizations to maintain control over their communications effortlessly.

We help companies manage and document changes to their digital content. MirrorWeb Insight captures, archives and monitors web, SMS and email, instant messages, mobile platforms, social media and mobile platforms. This ensures digital communication regulations are met, and content is compliant. Our technology is unrivalled. Cloud-archiving allows us to store archives in a format that is legally admissible (WORM) and ensures data sovereignty. Once captured, you can search and replay your archives through our platform at any point.