Best Online Fax Services for Microsoft 365

Compare the Top Online Fax Services that integrate with Microsoft 365 as of May 2026

This a list of Online Fax services that integrate with Microsoft 365. Use the filters on the left to add additional filters for products that have integrations with Microsoft 365. View the products that work with Microsoft 365 in the table below.

What are Online Fax Services for Microsoft 365?

Online fax services allow individuals and businesses to send and receive faxes securely over the internet without the need for a traditional fax machine. Users can upload documents from their computer, email, or cloud storage and send them to fax numbers worldwide in digital format. These platforms provide features like electronic signatures, delivery confirmations, and document archiving to simplify communication and recordkeeping. By eliminating hardware, paper, and phone lines, online faxing reduces costs and improves accessibility. Ultimately, online fax services modernize document transmission while maintaining security and compliance for sensitive communications. Compare and read user reviews of the best Online Fax services for Microsoft 365 currently available using the table below. This list is updated regularly.

  • 1
    eGoldFax

    eGoldFax

    eGoldFax

    eGoldFax revolutionizes faxing by eliminating the need for a traditional phone line, offering a convenient and versatile solution for sending and receiving faxes. Whether you're using a desktop computer, a multi-function printer (MFP), or even a mobile device, eGoldFax ensures effortless fax communication. With eGoldFax, the possibilities are endless. Incoming faxes can be effortlessly redirected to an email address, a network folder, or a printer, providing the flexibility to access and manage your faxes in a way that suits your workflow. eGoldFax has forged partnerships with renowned Multi-Function Product providers, solidifying its position as a leading fax solution. By collaborating with industry giants such as Sharp, Kyocera, Xerox, Konica Minolta, Canon, HP, Ricoh, Lexmark, and more, eGoldFax ensures seamless integration with a wide range of MFPs. eGoldFax helps organizations become compliant with regulations such as HIPAA, GDPR, PCI, FERPA and more.
    Starting Price: $29.99 per month
  • 2
    Infinite Connect

    Infinite Connect

    Infinite Connect

    One unified platform to run your entire business remotely. Improve productivity and simplify your communications with reliable voice, video, fax, conferencing and messaging in the cloud. Flexible unified cloud communications and contact center services designed, for small and medium sized businesses. Customize your settings and capabilities to have your conference calls work the way you want. Up to 100 callers included. In place of your traditional small business phone system, our VoIP phone system or hosted PBX uses your broadband connection to make communicating easier. From small meetings to large webinars, broadcast HD video, enable integrated teleconferencing and share your desktop with ease. No downloads required. Send and receive SMS & MMS text messages online and manage internet faxing from your dashboard. Infinite provides the most up to date VoIP Phones that arrive fully configured with plug and play functionality. All you have to do is turn on your phone and start talking.
    Starting Price: $22.50 per month
  • 3
    CocoFax

    CocoFax

    CocoFax

    CocoFax is a cloud-based fax platform allowing you to send and receive faxes online from any device securely and reliably. Seamlessly integrated into daily business, you can directly manage faxes online without messing up with any physical documents.
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    Starting Price: $9.99 per month
  • 4
    Fax.Plus
    Fax.Plus is an extremely secure HIPAA and SOC 2 Type 2 compliant online faxing solution for businesses of all sizes, from large enterprises to SMEs and even individuals. Fax.Plus Features: • Extremely easy to use with availability on multiple platforms, including web, mobile, email, and more. • Set up team with the option to assign one/multiple fax numbers to one/multiple members. • Programmable fax API to integrate online fax functionalities into your own software. • Compliant with the world’s strictest data regulations such as ISO 27001, SOC2 Type 2, … • HIPAA compliant faxing solution for healthcare providers to transmit individuals’ protected health information (PHI). • Data encryption in transit and at rest. • Date residency to meet all your data compliance requirements. • Extensive integrations: Slack, Zapier, Google Workspace, Microsoft, ... • Single Sign-On (SSO).
    Starting Price: $6.99 per month
  • 5
    FaxSIPit

    FaxSIPit

    FaxSIPit

    FaxSIPit provides cloud-based faxing software for mid-size and enterprise teams that depend on fax for critical, regulated workflows but need stronger security, visibility, and reliability than traditional systems provide. The platform supports secure faxing across healthcare, legal, higher education, finance, and other compliance-driven industries, with built-in support for global faxing. FaxSIPit allows users to send and receive through web browsers, email, desktop applications, API, UCaaS platforms such as Microsoft Teams and Zoom, and mobile devices. Organizations can deploy FaxSIPit as a full cloud solution or in hybrid environments using ATA devices and existing fax infrastructure, enabling flexible integration with current systems and workflows. FaxSIPit delivers dependable online faxing for your business-critical communications with SOC 2 protocols, quick onboarding, high delivery success rates, 99.99% uptime, and onshore support.
    Starting Price: $14.99/month Starter Bundle
  • 6
    FaxCore

    FaxCore

    FaxCore

    On-premises deployments, partly-cloudy hybrid with etherFAX, or purely cloud-based fax service. FaxCore is used by Fortune 500 and Fortune Global 500 companies for enterprise wide faxing. FaxCore can be an on premise fax server, Partly-cloudy (hybrid) fax server or fully hosted in the cloud. We have a cloud fax server solution for your needs, today and in the future. A traditional-style deployment, where the necessary hardware and software support for fax services is deployed within your company’s own on-site infrastructure. This enables seamless integration, as well as full visibility and control over your fax services. We now offer completely cloud-based fax services, freeing your internal IT team while providing all the features and advantages offered in a traditional, on-premises deployment. Our advanced cloud deployment ensures anytime, anywhere access via the most popular web browsers, and eliminates the need for client-side software.
    Starting Price: $60 per month
  • 7
    Useit Fax Service
    Useit Fax Service allows enables you to send, receive, manage faxes securely. Never print another physical document again. All secure faxes are protected by military-grade encryption within our SSAE-16 Type 2 data centers. Send and receive faxes securely using powerful, easy to use features and enterprise-level flexibility. Industry-standard TLS encrypts email fax messages sent between your mail system and Useit Fax Service. All Useit Fax Service web portal and web service sessions are encrypted using HTTPS. Receive faxes directly in your email inbox. Fax to email messages are routed as HTML or plain text emails with PDF or TIFF attachments. Install the Useit Email Fax Printer Driver on any Windows machine for easy-to-use print to fax functionality. Receive fax confirmations via email. Fax delivery confirmation emails are customizable and include an embedded first-page preview images.
  • 8
    Retarus

    Retarus

    Retarus

    As a leader in information logistics, we drive communication for companies worldwide. With intelligent infrastructures, patented technology and excellent service. Because the faster and more securely your information flows, the better your business runs. Are you ready for Retarus? Successful business depends on agile and secure communication processes for their digitized and automated workflows. From newsletters and order confirmations to password resets and status notifications – fast delivery of transactional emails plays an essential role in the customer journey. Retarus helps you reach 99% of all mobile networks. That means almost everyone in the world. Quickly and reliably. Read our use cases to learn how you can make your customer dialogue more profitable with enterprise SMS services. Send your personalized content reliably, even to large distribution lists. By email, fax or SMS—it’s easy with a standardized and intuitive platform. Communicate directly from your web browser.
  • 9
    AT&T Office@Hand
    A flexible cloud-based solution that provides voice, fax, text messaging, and audio and video conferencing so workers can be more productive in the office or on the go. Let employees work virtually anywhere from smartphones, tablets, softphones or desktop IP phones and enhance their ability to connect with their customers. Utilize just one number to connect callers with the right person to help ensure your customers can always reach you. Leverage instant local numbers, toll-free access, internet fax, and time of day service. Take advantage of a single solution that provides video meetings and online collaboration. Avoid maintenance, software, setup, and support fees, and CapEx with a cloud-based service. Enjoy an easy-to-use phone, fax, messaging and conferencing system that lets you spend more time serving customers, not managing communications. Get up to 3 company numbers for your business: a local main number, a toll-free number, and a local number for faxes.
    Starting Price: $25.40 per month
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