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    Overview
    ProductRatingMost Used ByProduct SummaryStarting Price

    Microsoft 365

    Score8.7 out of 10
    N/AMicrosoft 365 (formerly Office 365) is a Microsoft Cloud subscription service that includes Microsoft Office products (Word, Excel, PowerPoint, OneNote, Outlook, Publisher, and Access). The software can be installed across multiple devices and ensures that users always have the most up-to-date version of the included Office applications.

    $5

    Per User Per Month

    Zimbra

    Score7 out of 10
    N/AZimbra is an email and collaboration platform and productivity suite that includes contacts, calendar, tasks, chat and file sharing, plus videoconferencing, document editing, and file storage.N/A
    Pricing
    Microsoft 365Zimbra
    Editions & Modules
    Business Basic
    $5.00
    Per User Per Month
    Individual
    $5.84
    *Per Month
    Business - Apps
    $8.25
    Per User Per Month
    Enterprise - F3
    $10.00
    Per User Per Month
    Business Standard
    $12.50
    Per User Per Month
    Business Premium
    $20.00
    Per User Per Month
    Enterprise - E3
    $32.00
    Per User Per Month
    Enterprise - E5
    $57.00
    Per User Per Month
    No answers on this topic
    Offerings
    Pricing Offerings
    Microsoft 365Zimbra
    Free Trial
    NoYes
    Free/Freemium Version
    NoNo
    Premium Consulting/Integration Services
    NoNo
    Entry-level Setup FeeNo setup feeNo setup fee
    Additional Details*When billed annually.—
    More Pricing Information
    Community Pulse
    Microsoft 365Zimbra
    Considered Both Products
    Microsoft
    No answer on this topic
    Synacor
    Chose Zimbra
    We used Zimbra Email & Collaboration in two scenarios: first, on-premise with the open-source version to save costs, especially since solutions like Office 365 or Google Workspace were not as mature or widespread at the time. Later, we benefited from cost advantages with Zimbra …
    Incentivized
    Chose Zimbra
    There are a lot of features that Zimbra Email & Collaboration has that gmail and m365 have. You can chat within your team members with Zimbra Email & Collaboration. The issue that we have not been able to figure out though is mobility of Zimbra Email & Collaboration. You can …
    Incentivized
    Chose Zimbra
    Zimbra is undeniably a complete package and offers many practical tools, in addition to the knowledge that the company has. It is a great acquisition for a company that will soon see a significant change in terms of organization, deadlines, efficiency, and more. It has an …
    Incentivized
    Key User Insights
    Would buy again
    96%
    Would buy again
    178 Answers
    No answers on this topic
    Delivers good value for the price
    98%
    Delivers good value for the price
    163 Answers
    No answers on this topic
    Happy with the feature set
    98%
    Happy with the feature set
    181 Answers
    No answers on this topic
    Lived up to sales and marketing promises
    94%
    Lived up to sales and marketing promises
    121 Answers
    No answers on this topic
    Implementation went as expected
    94%
    Implementation went as expected
    128 Answers
    No answers on this topic
    Features
    Microsoft 365Zimbra
    Project Management
    Comparison of Project Management features of Microsoft 365 and Zimbra by Synacor
    Feature
    Microsoft 365
    -
    Ratings
    Zimbra by Synacor
    9.0
    6 Ratings
    16% above category average
    Task Management00 Ratings9.86 Ratings
    Gantt Charts00 Ratings8.13 Ratings
    Scheduling00 Ratings9.85 Ratings
    Workflow Automation00 Ratings7.23 Ratings
    Mobile Access00 Ratings9.76 Ratings
    Search00 Ratings9.86 Ratings
    Visual planning tools00 Ratings8.53 Ratings
    Communication
    Comparison of Communication features of Microsoft 365 and Zimbra by Synacor
    Feature
    Microsoft 365
    -
    Ratings
    Zimbra by Synacor
    6.6
    9 Ratings
    18% below category average
    Chat00 Ratings7.07 Ratings
    Notifications00 Ratings5.18 Ratings
    Discussions00 Ratings2.07 Ratings
    Surveys00 Ratings7.72 Ratings
    Internal knowledgebase00 Ratings7.73 Ratings
    Integrates with GoToMeeting00 Ratings7.63 Ratings
    Integrates with Gmail and Google Hangouts00 Ratings8.04 Ratings
    Integrates with Outlook00 Ratings7.53 Ratings
    File Sharing & Management
    Comparison of File Sharing & Management features of Microsoft 365 and Zimbra by Synacor
    Feature
    Microsoft 365
    -
    Ratings
    Zimbra by Synacor
    5.5
    10 Ratings
    35% below category average
    Versioning00 Ratings5.19 Ratings
    Video files00 Ratings1.29 Ratings
    Audio files00 Ratings1.29 Ratings
    Document collaboration00 Ratings5.19 Ratings
    Access control00 Ratings8.75 Ratings
    Advanced security features00 Ratings9.76 Ratings
    Integrates with Google Drive00 Ratings6.62 Ratings
    Device sync00 Ratings6.64 Ratings
    Best Alternatives
    Microsoft 365Zimbra
    Small Businesses
    Google Workspace
    Score9.1 out of 10
    Flock
    Score9.1 out of 10
    Medium-sized Companies
    Google Workspace
    Score9.1 out of 10
    Microsoft Viva Engage
    Score7.9 out of 10
    Enterprises
    Microsoft 365 Business Premium
    Score8.8 out of 10
    Google Keep
    Score9.9 out of 10
    All AlternativesView all alternativesView all alternatives
    User Ratings
    Microsoft 365Zimbra
    Likelihood to Recommend
    7.8
    (240 ratings)
    8.0
    (10 ratings)
    Likelihood to Renew
    9.5
    (6 ratings)
    -
    (0 ratings)
    Usability
    7.2
    (8 ratings)
    7.0
    (1 ratings)
    Support Rating
    8.9
    (54 ratings)
    -
    (0 ratings)
    Implementation Rating
    9.0
    (2 ratings)
    8.0
    (1 ratings)
    User Testimonials
    Microsoft 365Zimbra
    Likelihood to Recommend
    Microsoft
    Office everyday things since time immemorial. It's hard for Google Suite or any other to compete with Microsoft. They have everything, and it all works great, with incredible tools and capabilities. The new integrations work seamlessly most of the time, such as embedding a Power BI in a PPT. Expecting too much AI, like note taking, or LLM-based PPT, is not available in my tier at least, so depending on the budget, you won't get all you may expect from an AI leader. For diagramming and process maps, you're better off with other tools like those above.
    Incentivized
    Read full review
    Synacor
    Zimbra is great for an email system for a medium or large organization with appropriate IT staffing. The system is easy to use for end-users, and has a fantastic web interface. Unfortunately, it is overly complex, when considering staffing requirements and price, when compared with Office 365 or Google Apps for smaller organizations. For other education customers, it is hard to compete with Microsoft and Google providing their services for "Free" now though
    Incentivized
    Read full review
    Pros
    Microsoft
    • It allows us to keep our email organized. I like the fact that I can create folders in Outlook, and they replicate on my mail server.
    • Excellent for drafting and saving those documents as PDFs without needing PDF editing software.
    • Spreadsheets - what more is there to say?
    Read full review
    Synacor
    • Filter emails with specific information required.
    • Very good storage capacity.
    • Has a mobile version and another web.
    • It has a friendly and modern graphic interface.
    • It is compatible with all operating systems.
    Read full review
    Cons
    Microsoft
    • Microsoft 365 really needs to work on protection part. In complex environment it is not reliable as compared to its competitors like Proofpoint. There are many instances where it fails to perform effectively.
    • In SharePoint Online the versioning feature of the document needs to be improved by Microsoft. Sometimes when we have to roll back to the previous version it does not work as expected.
    • In Teams messaging and app permission policies can be improved. There are some settings where we have to add a lot of things manually.
    Read full review
    Synacor
    • Zimbra's mobile application leaves much to be desired; it is its weakest point.
    • This forces the use of third-party applications on smartphones, which only offer a more or less complete integration with the ActiveSync protocol.
    • Zimbra allows for an on-premise scenario, which is not for everyone, especially considering that the trend nowadays is to outsource email; in any case, it also offers this alternative.
    • The cost of Zimbra as a SaaS solution comes too close to that of more widely adopted competing options.
    • Zimbra lacks a robust integrated chat system, which its competitors offer.
    • It lacks AI integration.
    Incentivized
    Read full review
    Likelihood to Renew
    Microsoft
    There are many features of Office that we cannot replicate in any other tool. Plus people know it already. It's not going away anytime soon.
    Incentivized
    Read full review
    Synacor
    No answers on this topic
    Usability
    Microsoft
    It being the default office suite means it's user experience and idioms are things that everyone is generally very used to and fluent with.
    The sharing is relatively simple, being directly hooked into Entra AD, and expiry being a first class concern.
    It's usability decreases at scale, with multiple people simultaneously making edits can make documents unusable.
    Read full review
    Synacor
    The web usability of the solution is adequate, with all functions integrated into a single interface. However, it is important to note that in the desktop environment, it lacks its own application and relies on ActiveSync synchronization with reference solutions like Outlook or Thunderbird. Some features, such as the briefcase, will be excluded. The same happens on smartphones.It is also common for competing solutions to include integrated chat or video call tools, which Zimbra lacks. These shortcomings are among the most frequently requested by users.
    Incentivized
    Read full review
    Support Rating
    Microsoft
    Over the past 8 years of using Microsoft 365, I have noticed that they change vendors often. This always leads to a poor experience in the beginning, then levels out after some time for the company to get things worked out. As a customer, it is really frustrating because I don't have time when something isn't working to have them "look into my issue" and get back with me. They have even closed a ticket I specifically told them to keep open. Your applications are only as good as the support.
    Incentivized
    Read full review
    Synacor
    No answers on this topic
    Implementation Rating
    Microsoft
    Everything works and I use it all the time.
    Incentivized
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    Synacor
    Overall, we were satisfied with the implementation. We perhaps should have spent more time consulting with Zimbra or others regarding best practices but as we got to know the system better we were able to make changes relatively easily after the fact.
    Incentivized
    Read full review
    Alternatives Considered
    Microsoft
    Its very user-friendly, collaborative and efficient that boosts productivity using cloud tools. their security is strong and it provides data protection. There are regular updates that shields us from attackers too. It offers a wealth of learning resources, including tutorials, help articles and video guide to help users make the most of the application and personally upgrade their skills.
    Read full review
    Synacor
    Zimbra is a significantly cheaper option than one of the Microsoft solutions, such as Exchange. It is able to run in a free environment, as it is in the case of Linux. It offers the advantages of a powerful mail manager, such as indexed searches and the integration of contacts and notes, all in one platform. It is constantly updated and the operation of its connection in mobile equipment is remarkable and very efficient. Additionally, it is able to easily integrate with Outlook solutions with its connector, which brings all the benefits of Zimbra to the user under the interface known as "mail manager." So far, I have been using Zimbra for several years and I have not missed my previous work platforms.
    Incentivized
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    Return on Investment
    Microsoft
    • It has helped keep the high-energy culture my company has since it allows easy communication and calls.
    • Positively impacts responses from clients, since we can see how many times they have been contacted. (the more someone is contacted, the less likely they are to respond. Microsoft helps make sure we all know who and who not to contact)
    • positively impacts my ability to focus, since you can mute notifications. Since I look at my computer all day, it is helpful to lock in and not get distracted by the many emails I receive a day. You can also change preferences, so emails with high urgency are still seen.
    Read full review
    Synacor
    • Zimbra is a cheaper email service than other similar platforms and in my point of view offers better features, that's why the company migrated services to this platform several years ago and without a doubt, it has been the best investment.
    • Zimbra has a more user-friendly interface for employees, this has improved response times to external customers of the company.
    • The implementation of Zimbra in the company motivated the IT engineering department to make improvements in open source to adapt it to the needs of the company.
    Incentivized
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    ScreenShots

    Zimbra Screenshots

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