Best Calendar Software for Microsoft 365

Find and compare the best Calendar software for Microsoft 365 in 2025

Use the comparison tool below to compare the top Calendar software for Microsoft 365 on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    Trumba Reviews

    Trumba

    Trumba

    $99.95/month/user
    32 Ratings
    See Software
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    Streamline event calendar management and registration for customers, yourself and your team. Trumba offers an innovative and highly customizable event calendar platform preferred by colleges and universities, hospitals and health systems, local government, communities and other organizations worldwide. Trumba is a HIPAA-compliant solution for hospitals and healthcare organizations and will enter into a BAA with covered entities. Trumba calendars can be easily embedded into your website or published as fully-hosted pages that match your online branding. Attendees can easily find events, subscribe to calendars, register/pay and stay informed of changes. Trumba can integrate with other calendars to provide a one-stop experience for your users and optimize workflows internally. Trumba customers love our implementation services and ongoing customer support. Free trials and online demos are available upon request.
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    Spike Reviews
    Spike integrates all your workspace into one Inbox. This includes email, chat and calendar, calls, team collaboration, tasks, calls, and even calls. You can now do your work in one feed so you don't have to switch between apps. Spike's conversational email merges traditional email with instant messaging, eliminating cluttered email threads. Live collaboration and real-time communication allow for better interactions and a more human communication environment. Spike is available for iOS, Android, Mac and Windows.
  • 3
    Microsoft Exchange Reviews
    Business-class email and calendaring make it easier to work smarter. Exchange allows you to collaborate on critical documents and gives an organized inbox that prioritizes important messages. It adapts to your work style and adapts to your needs so you can get more done faster. Access to a personalized inbox with helpful features, a smarter way to view and interact via email and a smarter way to organize it. Search enhancements provide faster and more complete results. Add-ins allow for powerful customization and extensibility that connects you to modern services as well as internal line-of business applications. A calendaring system that does more than just schedule appointments and make commitments will help you organize your time. Automatically capture events such as hotel reservations and flights from email. Get suggestions based on where you are located about where to meet. Microsoft 365 offers many benefits that can help you and your company be more productive.
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    Microsoft Outlook Reviews
    Top Pick
    Connect. Organize. Get things done. All your email, calendar, contacts, and tasks in one place. You can manage your email, calendar, contacts and tasks efficiently from one place. Office integration allows you to share attachments directly from OneDrive, access contacts, view LinkedIn profiles, and view LinkedIn profiles. You can book conference rooms and track RSVPs right from your calendar. You can share your calendars to coordinate and plan and see when your coworkers will be available. You can rest assured with enterprise-grade security that is trusted by the world's most important companies. Outlook protects your confidential information around the clock, and doesn't get in your way. Outlook anticipates your needs. Outlook automatically adds travel and bill payments to your calendar. Intelligent reminders help you stay on track. Search makes it easy to find the information you need quickly.
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    Calendly Reviews
    Top Pick

    Calendly

    Calendly

    $8 per user per month
    14 Ratings
    Calendly makes it easy to schedule meetings without having to send back and forth emails. Calendly takes the hassle out of connecting with others, so you can do more. Calendly makes scheduling easy. It's easy to set up. Calendly will take care of the rest. You can send Calendly links to your friends via email or embed it in your website. They choose a time and the event is added in your calendar. It works with your Google, Outlook and Office 365 calendars so you are never double booked. You can set buffer times between meetings, prevent last-minute meetings, create secret events types, and much more. Supports 1-on-1, round-robin, and collective availability meetings. Instant timezone detection for all your invitees to ensure everyone is on the same page. Automate tasks using Zapier, Salesforce, GoToMeeting and Zapier. It works great for individuals, teams, and departments.
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    Any.do Reviews

    Any.do

    Any.do

    $35.99 per year
    5 Ratings
    Millions of people rely on Any.do to stay organized and get more done. It's the most powerful and simple to-do app, ranked by Apple, Google. Forbes, The Verge, Forbes, among others.
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    eM Client Reviews
    Top Pick

    eM Client

    $59.95 one-time fee
    23 Ratings
    The best email client for Windows or macOS will boost your productivity and increase your email efficiency. eM Client is a fully featured email client that has a simple and clean interface. It offers features for tasks, calendars, online meetings, contacts, notes and chat. Schedule online meetings with integration with Zoom, MS Teams, Google Meet and more. Use cloud attachments to keep control over your files via Dropbox, Google Drive etc. eM Client is compatible with every email service that can use IMAP, POP or Exchange Web Services protocol. This email client is compatible with Google Workspace, Microsoft 365 Outlook, Exchange, and many more. eM Client improves email communication for both professionals, businesses and home users. It includes advanced features such as server-side search, instant message translation, "Snooze" and "Watch for replies", synchronized tags, and easy email encryption (PGP/S/MIME). Ensure privacy with automatic blocking of mail-tracking pixels. You can also customize the look and available features to make sure it works best for your specific needs - create your own theme or select one of the pre-set ones, customize your toolbar, shortcuts and message list.
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    SyncGene Reviews

    SyncGene

    SyncGene

    $5.83 per month
    SyncGene automatically syncs your data* so that your Contacts and Calendar events are in sync across all your accounts. You just need to add at least 2 sources you want to sync (Google/Exchange/iCloud). All changes made in one source will be automatically transferred to the other without duplicates. You can share the most recent information from your address book with others. You can combine personal information from different places. We will unify all of your information into one unified view that includes one Calendar, one Address Book, and one To-Do list. This will make it easy to manage. No more lost, duplicated or incomplete entries. You can manage and update your contacts, events, and tasks from any device, app, or service connected.
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    SkedPal Reviews

    SkedPal

    SkedPal

    $9.95/month/user
    Are you able to schedule important events such as doctor appointments and visits to the vet for Lucy on your calendar? What about your professional growth and personal development? Are you finding the task of scheduling your tasks on the schedule time-consuming and frustrating? We understand how it feels to be interrupted, have priorities shift and need to constantly jigsaw your calendars. We care about you. SkedPal is the first app that can include both your to-do list AND your calendar. SkedPal intelligently and intuitively schedules tasks based on your priorities, commitments, and other factors. Our brain is terrible at scheduling and planning. We are the best at identifying our priorities and preferences. However, we don't like the idea of how to move the pieces around the chessboard of our time. Time is a zero-sum sport. Productivity is not about doing more, it's about doing the right thing.
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    Chili Piper Reviews

    Chili Piper

    Chili Piper

    $15/month/user
    Chili Piper Meetings is an automated scheduling tool that helps revenue teams convert more leads to qualified meetings faster. After submitting a form on the website, our intelligent Concierge product makes it easy for prospects to book a meeting and/or start a call. Chili Piper uses smart rules, rather than the traditional inbound lead management method, to automatically qualify and distribute leads to the right reps. Our software allows companies to automate lead handoffs from SDR to AE and book meetings via marketing campaigns or live events. Forrester, Square, DiscoverOrg and Spotify use Chili Piper to create amazing experiences for their leads and, in turn, double the number of leads that they convert into meetings.
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    Morgen Reviews

    Morgen

    Morgen

    $3.75 per user per month
    You can organize your day by prioritizing tasks and blocking time with a simple drag-drop. No more tabs. Option+C can be used to quickly bring up your calendar. Hit the same combination again to go back after you're done. Another tip? You can also use W or D to switch between weekly and daily views while in Quick peek mode. Our time is our only resource that we can't buy, but only optimize for and defend. The default behavior of Morgen is to create a blocker to time. This allows you to focus on the important things faster than ever. You will receive notifications about upcoming meetings in your system. No more searching for the link. All it takes to join a video conference call is one click. Morgen uses tons of shortcuts to perform the most common tasks as you would expect. It is easy to sync all your meeting rooms in Morgen and add them to any meeting.
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    Agendex Reviews

    Agendex

    Agendex

    $99 per month
    Marketing events, training, webinars - whatever it is, Outlook makes it easy to manage your event calendars and publish them for everyone! Our powerful, user-friendly, free/busy search can bring people, rooms, or resources together. It even works across multiple Exchange/M365 platforms! You don't need to send emails back and forth when you want to book meetings with other recipients. Just send them your MyAvailability link, and they will book what is convenient for them. Smart, secure calendar sharing and bookings for your entire company. Agendex allows anyone to view and click to join your events. You can embed calendars on your site or send an email link to the calendar. Outlook is your daily tool for managing your calendars. These calendars can be used to provide information about webinars, marketing events, and training sessions. If you provide a registration link, visitors can view information about any event or register.
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    Cal.com Reviews

    Cal.com

    Cal.com

    $12 per user per month
    Cal.com is the event-juggling planner for everyone. Focus on meetings, not on making meetings. Individuals can use it for free. Cal will read your availability from your existing calendars, ensuring that you are never double booked. Set repeating schedules to the times during the day and week you want people to book you. Share your cal.com link to make it easy for others to book you at a time convenient for both of us. Per-link, you can set availability, location, duration, and more. Send bookings to multiple calendars or create a default. Cal.com will check for conflicts in all your calendars, and only offer times that are available. Never get double booked again. Cal.com allows you to create processes around your events. Notifications, reminders, and follow-ups are handled automatically. Cal.ai is the future of AI scheduling.
  • 14
    CalendarBridge Reviews
    No more missed meetings No more double bookings. CalendarBridge syncs all of your calendars across all of your Microsoft and Google accounts in real-time and makes it easy to schedule meetings. Universal Calendar Syncing All Your Calendars. Always in Sync CalendarBridge syncs all your calendars across Microsoft, Google accounts in real-time so that your entire schedule is always accessible from any device. CalendarBridge Sync is Awesome! Simple setup. Self-service setup takes just 5 minutes. No configuration is required for any of your devices. Take back control of your devices. You can view your corporate calendars on any device, without giving IT administrators the right to wipe your device. Simpler Calendar Sharing Google Calendar and Outlook now show you your real free/busy times, even external calendars. Privacy controls. You can choose to sync only free/busy hours so sensitive information does not cross organizational boundaries.
  • 15
    Kin Calendar Reviews

    Kin Calendar

    Kin Calendar

    €2 per month
    Kin.today offers you the perfect seamless calendar experience. The Kin calendar core is hosted on an amazing infrastructure. We're here to help you with everything. Relax, check your Kin, and just live your life. We could have continued the beta or raised money without a business plan, but it didn’t feel right. It would have required us to make compromises we didn’t want to make. We are now open for February and March so you can start Kin.today today and continue to enjoy it. (Though we still have a large waitlist, we'll be releasing more invites every week). Then, we'll move to the paid subscription model. We also offer other subscriptions (free for contributors and sponsored features), so feel free to send us an email.
  • 16
    BusyCal Reviews

    BusyCal

    BusyCal

    $9.99 per month
    BusyCal displays your calendar as a list view. It can display it in Day, Week and Month views. BusyCal's ability to customize the views to your specific needs is what makes it unique. You can select the number and colors of weeks displayed in the Month view, and the number and days shown in the Week view. You can also customize the appearance of the calendar by changing the font face, size, color, and format. The embedded info panel in BusyCal's sidebar is a popular feature. It allows you to quickly view and modify event details with speed, precision and accuracy. The Info Panel has been completely revamped in BusyCal. It features a cleaner, more modern appearance with better controls for adding dates and times, locations, attendees, and other functions. The info panel can be customized in many ways. You can display the basics or add fields such as tags, graphics, and time zones.
  • 17
    Fantastical Reviews
    All features in Fantastical and Cardhop are available on one subscription. Your contacts, tasks, and calendars will be more powerful, productive, and fun. Both Cardhop and Fantastical were created to help you get rid of frustration and make your life easier. Fantastical allows you to quickly upload files and images to your iCloud or Google accounts, or Exchange events. All devices that sync with your calendar account can access attachments. Fantastical will provide you with the view you desire, regardless of what device you use. Fantastical DayTicker and Calendar views give you a quick overview of your calendar. You can also view full-screen views of your day, week, or year when needed.
  • 18
    Z#BRE Reviews
    Workspaces of today require more adjustments. We assist companies in transforming their workspaces into flexible spaces and services. Tenants receive tailored services based on AI and connected devices. It will meet your future needs. Modular and reconfigurable for greater flexibility. Flexibility in the workplace, well-being and quality of life. Supervision of tasks. Traceability of services and benefits. Questionnaires, trigger-action-based, messages, signposting, memos, occupancy rate, flows, environmental quality. While transforming your workplace into flexible offices can improve workspaces, it can also cause stress. Flex offices are designed to personalize your resources and simplify the lives of your employees. Z#BRE has created a range of technologies that offer enterprise stakeholders a portfolio full of turnkey solutions.
  • 19
    Mayday Reviews
    You can't get more time. Your old calendar won't help. It's too easy to lose, misspend, or steal time. Mayday is an AI-powered calendar that helps you manage, organize, and protect your schedule. This allows you to spend more time on meaningful activities. Mayday gets smarter the more you use it. Mayday analyzes your preferences and patterns for scheduling to determine the Ideal Times. Forget about managing time zones, competing priorities, and undocumented schedules. Mayday takes care of the scheduling complexity for you. Mayday's AI algorithms will automatically suggest the best time to schedule meetings, based on your team members' True Availability. As more team members start using Mayday, scheduling becomes more intelligent and helpful, taking everyone's preferences and schedules into account.
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