Compare the Top Free Email Archiving Software as of May 2026

What is Free Email Archiving Software?

Email archiving software securely stores and manages email communications for long-term retention, ensuring compliance, easy retrieval, and protection against data loss. It automatically captures incoming and outgoing emails, indexing them for fast search and organization by date, sender, or content. The software often includes features like encryption, e-discovery support, and retention policy enforcement to meet legal and regulatory requirements. By centralizing email storage, it reduces mailbox sizes and improves server performance. This solution is essential for businesses to maintain audit trails, support litigation readiness, and safeguard sensitive information. Compare and read user reviews of the best Free Email Archiving software currently available using the table below. This list is updated regularly.

  • 1
    InMoat

    InMoat

    InMoat

    Take back control of your inbox. InMoat lets you select the types of emails that are important to you so that you never miss a beat! Smart Filters that you select will always be prioritized and sent to your Inbox. Your VIP List of Contacts Emails from within your organization such as your boss and colleagues are always going to be prioritized by default. InMoat lets you keep your Trusted Contact list up-to-date so that you can ensure your VIP list of contacts is always prioritized in your inbox. Your @InMoat Folder Review the non-so-urgent and less-important emails when it is convenient for you — so you're not wasting time in the middle of your workflow. Review all of your other emails in your @InMoat folder to be reviewed whenever you want. Your InMoat Dashboard Keep your inbox up-to-date by managing your email priorities from your InMoat dashboard. Review your suggested contacts to add to your Trusted list, update your Trusted Contacts, and update your Smart Filters.
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    Starting Price: $9 per month
  • 2
    Hexamail Flow
    Hexamail Flow is a full email client, with calendaring, tasks and contacts. It operates with Office 365, Gmail, including modern authentication methods (OAUTH) works with Exchange on premises and all IMAP and POP3 servers. The GDPR data protection module offers email and office document redaction features including full PST file import, eml and msg file import, office document import and printing output or PDF generation of redacted content.
    Starting Price: Free
  • 3
    Aid4Mail

    Aid4Mail

    Fookes Software Ltd

    Aid4Mail is a fast, reliable, and highly accurate tool to collect, recover, search, and convert emails. It supports most mailbox file formats (e.g. PST, OST, OLM, mbox), IMAP accounts (e.g. Yahoo! Mail, AOL) and popular mail service providers (e.g. Microsoft 365, Exchange, Gmail). Aid4Mail can recover double-deleted messages and corrupted emails, and extract MIME data from certain types of unknown file formats through file carving. Aid4Mail provides a large array of tools to search and filter out unwanted emails during conversion. Save time by using native pre-acquisition filters to download a subset of your mail from Exchange, Office 365, Gmail and other webmail services. Use Aid4Mail’s integrated search engine to cull-down your email collection. Its search operators are very similar to Gmail and Office 365. Aid4Mail is used by Fortune 500 companies, government agencies and legal professionals around the world. It is made in Switzerland by perfectionists.
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    Starting Price: $59.95
  • 4
    SpinOffice CRM

    SpinOffice CRM

    Mulberry Garden

    With SpinOffice, you create a central spot for your mail, business contacts, appointments, tasks, projects, folders, documents, files and notes. Best of all, you share all information in the database with your colleagues, which makes SpinOffice the ultimate team application for any small to medium sized business. Customer management A central database for your business relations, email management, appointments, tasks, notes and conversation reports, projects, files, documents and files. Communication Use templates (mail & documents) for optimal communication, segment relationships (contacts types & tags) and build your own personalized CRM database. Collaboration Save time and increase productivity within your organization by sharing information and collaborating as a team. 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.
    Starting Price: $27.50/month/user
  • 5
    MailArchiva

    MailArchiva

    Stimulus Software

    MailArchiva is a professional enterprise grade email archiving, e-discovery, forensics and compliance solution. Since 2006, MailArchiva has been deployed in some of the most demanding IT environments on the planet. The server designed to make the storage and retrieval of long-term email data as convenient as possible and is ideal for companies needing to satisfy e-Discovery records requests in a timely and accurate manner. MailArchiva offer tight integration (includfing full calendar, contact & folder synchronization) with a wide variety of mail services, including MS Exchange, Office 365 (Microsoft 365) and Google Suite. Among its many benefits, MailArchiva reduces the time needed to find info and satisfy discovery record requests, ensures that emails remain intact over the long term, reduces legal exposure, ensures employees are collaborating effectively, assists in compliance with archiving legislation (e.g. Sarbanes Oxley Act), reduces storage costs by up to 60%.
    Starting Price: $34.56 / user
  • 6
    Xeams

    Xeams

    Synametrics Technologies

    Xeams is, a secure and powerful complete mail server for Windows, Linux, Solaris, MacOSX and other flavors of UNIX. Xeams supports SMTP, POP3, and IMAP. It features a powerful spam filtering engine that eliminates up to 99% of junk email upon installation. The software offers a flexible approach to email, making it a very user-friendly server. Xeams can block 99% percent of all junk messages right out of the box. The filtering rules are fully customizable and get better as Xeams adapts to your email environment. IMAP and POP3 servers built right into the system to easily fetch emails from an email repository to a client's machine. Xeams can be used as an email firewall in front of another server, such as MS Exchange, or as a full email server requiring no other software to process emails. Use Xeams in front of your Office 365 infrastructure to gain additional filtering, reporting and archiving capabilities that you don't get with Office 365 alone.
    Starting Price: $20.00/year/user
  • 7
    Libraesva Email Archiver
    Libraesva Email Archiver is a secure email retention and e-discovery solution designed to capture, preserve, and provide instant access to an organization’s complete email history in real time. It stores every message in digitally signed, tamper-proof archives, ensuring emails remain unaltered and legally defensible while maintaining high availability and performance. Through advanced full-text search capabilities, users can quickly locate emails, attachments, headers, and metadata across millions of records in seconds, enabling rapid recovery of lost or deleted communications. Custom retention policies, legal hold features, and comprehensive audit trails help organizations stay compliant with regulations such as GDPR, HIPAA, CCPA, and SOX while reducing legal and operational risk. It integrates seamlessly with Microsoft 365, Exchange, Google Workspace, and other mail environments, and provides access through Outlook, web, or mobile interfaces.
    Starting Price: Free
  • 8
    harmon.ie

    harmon.ie

    harmon.ie

    harmon.ie makes it easy for knowledge workers to capture and classify emails and documents to SharePoint and Teams directly from Outlook, the place they already spend their work time. As such, it is easy to discover and share important content when needed, right from the email client. By making it easy to do the right thing, harmon.ie increases SharePoint adoption, workplace productivity, as well as information governance and compliance. That is why thousands of enterprise customers count on harmon.ie's SharePoint and Office 365-based user experience products for email and records management, collaboration, knowledge retention, and SharePoint adoption. harmon.ie has won numerous Microsoft Best App awards and is a long time Microsoft Partner. Our flagship solution breaks down data silos from Office 365 apps, by grouping information using Descriptive Labels. harmon.ie SmartAssistant helps organizations bring together all their information so employees can focus on work
    Starting Price: $6 per user per month
  • 9
    MirrorWeb

    MirrorWeb

    MirrorWeb

    We help firms manage and evidence changes in their digital content. Through the MirrorWeb Insight platform we capture, archive and monitor web, SMS, email, instant messaging, mobile platforms and social media channels, ensuring digital communication regulations are met and content remains compliant. Our technology is unrivalled. Through cloud-archiving we provide data sovereignty and store archives in a legally admissible format (WORM). Once captured, your archives can be replayed and searched through our platform at any time.
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