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I need a rock-solid, two-way calendar integration between our Office 365 Outlook and Method CRM. Any activity my team adds in Method—meetings, follow-ups, tasks, you name it—must instantly appear in the corresponding Outlook calendar, and everything they create in Outlook must flow straight back to Method without a single duplicate. Zapier was my first attempt, but it kept spawning repeat entries, so this solution has to handle deduplication intelligently and keep both systems perfectly aligned in real time. Using the Method API alongside Microsoft Graph, Power Automate, an Azure Function, or another lightweight middleware is fine as long as: • All calendar event fields (title, description, date/time, attendees, reminders) stay intact. • Changes, deletes, or reschedules made in either system reflect immediately in the other. • No duplicates appear, even during rapid edits or network hiccups. • The solution runs securely under our O365 tenant and respects existing user permissions. Deliverables will be: 1. Deployed integration (source and compiled code, or flow export) running in production. 2. Setup and configuration notes a non-developer can follow. 3. A short test plan showing edge-case handling for duplicates and simultaneous edits. Once everything passes the test plan without errors or dupes, I’ll sign off. If you’ve handled Method CRM or O365 calendar syncing before, this should be straightforward—let me know how you plan to tackle the dedupe logic and estimated turnaround time.
N° de projet : 40266945
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92 freelances proposent en moyenne $37 USD/heure pour ce travail

Greetings, Do you want the deduplication handled entirely in middleware, or can a hybrid approach with Method API triggers and Microsoft Graph checks be used? Our understanding is that you need a robust, real-time, two-way calendar sync between Office 365 Outlook and Method CRM, handling all events, edits, deletions, reminders, and attendees with zero duplicates. Our team has strong experience building middleware integrations, working with Microsoft Graph, Method CRM API, Power Automate, and Azure Functions. We specialize in real-time data sync, deduplication logic, and producing secure, maintainable solutions. We provide 5 months FREE support and long-term collaboration guarantee. For quick response and one-on-one communication, you may click on the chat button, as we are online most of the time. FYI, current bid amount is placeholder to submit the proposal. Look forward to hearing from you thru chat. Regards, Yasir LEADconcept PS: Let me know if you want to see our team past work to determine our skills/expertise or past customer's references.
$35 USD en 40 jours
9,4
9,4

As an experienced software developer, I'm confident I have the skills and expertise to tackle your Real-Time Outlook-Method CRM Sync project. While my background may not be exactly tailored to this specific task, this actually speaks to the depth and adaptability of my problem-solving abilities. My company, ZAWN Tech, has successfully executed numerous API integrations and software architecture projects throughout our over 10 years in business; these projects combine seamlessly with my competence in PHP and Power Automate, which can be put to efficient use in this task. Understanding the importance of precision and security in your request, I will ensure that all calendar event fields remain intact throughout the sync process and changes made in either CRM or Office 365 translate accurately on both platforms instantaneously. Deduplication is a crucial concern you highlighted, one that I appreciate and understand the need for. To address this issue succesfully, I'll deploy a lightweight middleware solution that utilizes Method API alongside Microsoft Graph for optimal performance.
$50 USD en 40 jours
9,2
9,2

With over a decade of experience in web and mobile development, including expertise in CRM integrations, I understand the crucial need for a seamless two-way sync between your Office 365 Outlook and Method CRM. The challenge of handling deduplication intelligently while keeping both systems perfectly aligned in real-time is one that I am well-equipped to tackle. Having worked on various fintech and SaaS projects, I have successfully implemented similar calendar sync solutions that met stringent requirements. My extensive experience with APIs, Microsoft Graph, and Azure Function positions me to deliver a robust integration that respects user permissions and ensures all calendar event fields remain intact. I am confident in my ability to deliver the deployed integration, setup and configuration notes, and a comprehensive test plan to guarantee error-free operation. I am excited to discuss further how I can tackle the deduplication logic and provide you with an estimated turnaround time that meets your needs. Let's collaborate to bring your real-time Outlook-Method CRM sync to fruition seamlessly.
$40 USD en 15 jours
8,8
8,8

⭐⭐⭐⭐⭐ Valuable Client, we can deliver a robust, real-time two-way sync between Office 365 Outlook and Method CRM using a combination of Microsoft Graph, Method API, and Power Automate, supported by lightweight Azure Functions for deduplication logic. CnELIndia’s team has extensive experience designing middleware that ensures all event fields—title, description, attendees, reminders—remain intact while handling rapid edits, deletions, and reschedules without creating duplicates. Raman Ladhani will architect the integration workflow, implement intelligent dedupe using unique event identifiers and timestamps, and validate edge cases. We will provide a production-ready deployment, detailed non-developer setup instructions, and a test plan covering simultaneous edits and network interruptions. With our approach, your calendars will stay perfectly aligned in real time, securely under your O365 tenant.
$38 USD en 40 jours
9,0
9,0

Hello, I understand you're looking for a robust two-way calendar integration between Office 365 Outlook and Method CRM. This integration is crucial for streamlining your scheduling and ensuring that all calendar events sync seamlessly between both platforms. I have extensive experience in developing similar integrations that enhance productivity and eliminate the hassle of manual updates. My approach will focus on creating a reliable and efficient sync mechanism that keeps your calendar data consistent and up-to-date. I will ensure that all events, updates, and deletions are accurately reflected in both systems, providing you with a smooth user experience. Let’s discuss how I can deliver a solution that meets your needs and elevates your workflow. Regards, Nurul Hasan
$200 USD en 7 jours
8,7
8,7

Dear , We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time. We are 25 years in this business and our technical specialists have strong experience in PHP, Software Architecture, Azure, Microsoft, API Integration, Power Automate, Microsoft Graph and other technologies relevant to your project. Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews. Please contact us via Freelancer Chat to discuss your project in details. Best regards, Sales department Tangram Canada Inc.
$30 USD en 5 jours
8,8
8,8

Hello, When it comes to synchronizing complex systems like Method CRM and Office 365 Outlook, without duplications or inconsistencies, our team at Live Experts has the expertise and problem-solving skills that you're looking for. Over the years, we have successfully integrated various systems, employing the likes of Microsoft Graph, Power Automate, Azure Functions - exactly what you are asking for. Our deep understanding of the Method API coupled with our familiarity with O365 facilitates efficient and seamless data flow across platforms while respecting user permissions. Notably, we understand the challenges with rapid edits and network hiccups; hence we employ deduplication logic that is precise, intelligent, and quick. With us by your side, you can fully trust that all your calendar event fields will stay intact - from title to reminders - all in real-time. Our aim remains focussed: a flawlessly deployed integration (with source code), detailed setup notes even for non-developers, and a comprehensive test plan including edge-case handling. Timeliness and quality are our hallmarks; thus your turnaround time estimation won't be jeopardized. Partnering with us means choosing reliability; an opportunity to witness technology bringing in efficiency across your systems. Don't just take my word for it - let's discuss your project further so I can demonstrate my knowledge of Method CRM and streamline your office processes completely! Thanks!
$50 USD en 1144 jours
8,2
8,2

Hi there, I will build the two-way sync between Method and Outlook using the Method API and Microsoft Graph. All event fields stay intact, and creates, updates, and deletes in either system reflect in the other in real time. Deployed with setup docs and test plan. For deduplication, I will store Method's activity ID as an extended property on each Outlook event via Graph, and store the Outlook event ID back in Method. On every sync trigger, the middleware checks for the partner ID first. If it exists, the record updates instead of creating. This mapping prevents duplicates even during rapid edits or retries that tripped up Zapier. Questions: 1) How many team members will be syncing calendars? 2) Are you on a Method plan that includes API access? Happy to answer any questions. Kamran
$25 USD en 40 jours
8,3
8,3

Hi, this is Elias from Miami. I read the scope and I get the real problem: you don’t just need “sync” — you need a true two-way Outlook (O365) ↔ Method CRM calendar bridge that stays clean under real usage (rapid edits, deletes, reschedules) and never creates duplicates like Zapier did. How I’d tackle it: build a lightweight middleware using Microsoft Graph + Method API, with a proper dedupe layer. Every event gets a persistent cross-system mapping (Outlook eventId ↔ Method activityId) stored in a small sync table, plus idempotency keys on every write. Webhooks/subscriptions handle near real-time change events, and conflict rules handle simultaneous edits (timestamp + source-of-truth rules). Deletes and updates are mirrored, and we preserve all fields (title, body, times, attendees, reminders). Deliverables: live deployment (Azure Function/Power Automate + storage), setup notes your team can follow, and a test plan that specifically proves “no dupes” and handles edge cases. Q1: in Method, are you syncing only calendar-type activities, or also tasks/follow-ups that must appear as Outlook events? Q2: do you need per-user sync using delegated permissions (each user OAuth), or can it run as an app with application permissions under the tenant? Q3: when the same event is edited in both places within a short window, what should win (latest timestamp, Outlook wins, or Method wins)? Regards.
$38 USD en 40 jours
7,7
7,7

Hello Sir, I have designed a solution for Calendar synchronization between Outlook and CRM by developing an Outlook Addin. It works perfectly and synchronizes the data in real time. Let me know if you are interested to discuss. Regards, Usman.
$45 USD en 40 jours
7,5
7,5

Hello, HAVE HANDS-ON EXPERIENCE WITH SUCH PROJECT. I have 15+ years of experience in full-stack development and integrations, and I fully understand your requirement to build a real-time, two-way Outlook–Method CRM sync with intelligent deduplication. Core features: -->> Two-way calendar sync between Method CRM and Office 365 Outlook -->> Full preservation of event details: title, description, date/time, attendees, reminders -->> Intelligent deduplication to prevent repeats during edits or network issues -->> Immediate propagation of changes, deletes, or reschedules in both systems -->> Secure implementation respecting O365 permissions and tenant policies Approach: clean architecture, secure API calls, lightweight middleware (Azure Function or Power Automate), and agile workflow. I would start by analyzing your current setup and API capabilities, then implement and test edge cases for simultaneous updates. In chat, I have a few questions about the number of users and recurring event handling to proceed efficiently. successfully implement this project from start-to-finish. Let's come together and create a platform that not only propels your business but also stands out prominently within the marketplace. Thanks & regards Julian >>>>>>> We'll share our portfolio in Chat. Let's talk further speak over the freelancer call or chat. <<<<<<
$35 USD en 40 jours
8,0
8,0

Hello, Are you interested in a seamless two-way integration that eliminates duplicates and keeps your calendars in perfect sync? Our approach utilizes the Method API in conjunction with Microsoft Graph and Azure Functions to ensure real-time synchronization while intelligently managing deduplication. Let's discuss how we can create a solution that meets your needs and maintains data integrity. Best, Smith
$38 USD en 40 jours
6,9
6,9

Hello, I have carefully reviewed your requirement for a real-time, two-way sync between Office 365 Outlook and Method CRM. With 10+ years of experience in API integrations and Microsoft ecosystem development, I understand that the critical challenge here is not just syncing events, but implementing deterministic deduplication and conflict resolution. My approach would use Microsoft Graph API + Method API with a lightweight Azure Function middleware. Each event will store a persistent cross-reference ID (custom field mapping) in both systems to prevent duplicates. Sync logic will include: • Unique external ID binding per event • Change tracking via timestamps + ETags • Soft-delete and update detection • Conflict resolution rules for simultaneous edits • Idempotent operations to prevent repeat entries during retries All event fields (title, description, attendees, reminders, reschedules) will map bidirectionally. The solution will run securely under your O365 tenant using proper OAuth scopes and respect RBAC permissions. Deliverables will include deployed integration, documented setup steps for non-developers, and a structured edge-case test plan covering rapid edits, network failures, and duplicate prevention. I WILL PROVIDE 2 YEAR FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE, WE WILL WORK WITH AGILE METHODOLOGY AND WILL GIVE YOU ASSISTANCE FROM ZERO TO PRODUCTION DEPLOYMENT. Thanks.
$35 USD en 40 jours
7,3
7,3

The duplicate problem with Zapier is a classic one - it triggers on both the webhook and the poll, so you get double entries on any slight delay. Proper fix is a dedup layer that tracks event IDs from both sides and uses a small DB table to guard against reprocessing the same event twice. I would build this with Microsoft Graph webhooks for real-time Outlook push and Method API on the other side, tied together by an Azure Function (or lightweight Node.js middleware if you prefer). The dedup logic stores a hash of [source, externalId, lastModified] and skips writes when it sees a match. Done this kind of bidirectional sync before - the main thing to get right is conflict resolution when both sides edit the same event simultaneously. What is your preference there - last-write-wins, or one system takes priority? - Usama
$40 USD en 20 jours
6,6
6,6

Hey there, You’re right to move beyond Zapier. What you’re asking for is a proper sync engine, not simple triggers. SolutionzHere has built real-time, two-way calendar syncs using Microsoft Graph plus custom middleware, with strict dedupe and conflict handling. How I’d architect it (high level): Azure Function or lightweight API app as the sync broker. Microsoft Graph webhooks for Outlook events, Method API webhooks/polling on the CRM side. Each event carries a shared external ID/transactionId stored in both systems to guarantee idempotency and prevent duplicates, even under rapid edits. Full CRUD support: create/update/delete mirrored both ways, with permission-respecting auth under your O365 tenant. Timeline & rate: Estimate: 20–30 hours, fully within your $25–50/hr range; realistic at $60/hr for senior integration work (standard US integration dev averages around $58/hr). One key question: Roughly how many users/calendars need to be synced in phase one?
$50 USD en 40 jours
6,4
6,4

Hello! I'm Vimal Kumar,a highly experienced and successful web developer which has made me adept at tackling complex projects - as evident by my 10+ year of experience. My expertise lies in PHP development and Software Architecture which directly aligns with the requirements of your Method CRM and Office 365 Outlook integration project. I understand the importance of a seamless two-way sync between these platforms, and can assure you a rock-solid solution that would align everything in real-time without any duplication. Being process-oriented, I ensure proper documentation throughout the project life cycle and will make sure that all deliverables are met without any delays. Plus, as part of our dedication to client satisfaction, we also provide comprehensible setup notes that can be easily followed even by non-developers. Given that my reputation thrives on delivering quality work tailored to the client's needs,I assure you that I will not only meet but surpass your expectations for this project. In conclusion, by hiring me for this job you're engaging an expert who values your project as much as you do; someone who is dedicated to bringing satisfaction and success to your business. Let's move forward together, get your calendars synced optimally and save you from any future headaches!
$25 USD en 40 jours
6,3
6,3

Greeting! I specialise in building reliable two-way integrations between Method CRM and Office 365 using Microsoft Graph and secure middleware, with over 9 years of experience delivering real-time sync without duplicates. Here's how I can help: • Build a secure Azure Function or Power Automate integration using Method API and Microsoft Graph for true bidirectional sync • Implement deduplication using unique external IDs, change tracking, and event mapping to prevent repeats even during rapid edits • Sync all event fields including title, description, date/time, attendees, reminders, updates, deletes, and reschedules • Deploy under your O365 tenant with proper permissions, plus deliver source code, setup guide, and test plan covering edge cases • Ensure real-time reliability with retry logic, conflict resolution, and audit logging I’ve implemented similar CRM–Outlook sync systems with zero-duplicate guarantees. Are you currently using Method’s native calendar module, and do you prefer Azure Functions or Power Automate for easier long-term maintenance?
$38 USD en 40 jours
6,0
6,0

Hello Dear! I write to introduce myself. I'm Engineer Toriqul Islam. I was born and grew up in Bangladesh. I speak and write in English like native people. I am a B.S.C. Engineer of Computer Science & Engineering. I completed my graduation from Rajshahi University of Engineering & Technology ( RUET). I love to work on Web Design & Development project. Web Design & development: I am a full-stack web developer with more than 10 years of experience. My design Approach is Always Modern and simple, which attracts people towards it. I have built websites for a wide variety of industries. I have worked with a lot of companies and built astonishing websites. All Clients have good reviews about me. Client Satisfaction is my first Priority. Technologies We Use: Custom Websites Development Using ======>Full Stack Development. 1. HTML5 2. CSS3 3. Bootstrap4 4. jQuery 5. JavaScript 6. Angular JS 7. React JS 8. Node JS 9. WordPress 10. PHP 11. Ruby on Rails 12. MYSQL 13. Laravel 14. .Net 15. CodeIgniter 16. React Native 17. SQL / MySQL 18. Mobile app development 19. Python 20. MongoDB What you'll get? • Fully Responsive Website on All Devices • Reusable Components • Quick response • Clean, tested and documented code • Completely met deadlines and requirements • Clear communication You are cordially welcome to discuss your project. Thank You! Best Regards, Toriqul Islam
$38 USD en 40 jours
5,8
5,8

Hi, I came across your project "Real-Time Outlook-Method CRM Sync" and I'm confident I can help you with it. About Me: I'm a agency owner with over 8+ years of experience in PHP, API Integration. , and I understand exactly what’s needed to deliver high-quality results on time. Why Choose Me? - ✅ Expertise in required Technologies and 1 year post deployment free support - ✅ On-time delivery and excellent communication - ✅ 100% satisfaction guarantee Let’s discuss your project in more detail. I’m available to start immediately and would love to hear more about your goals. Looking forward to working with you! Best regards, Deepak
$36 USD en 40 jours
5,7
5,7

Hi there, I'm a Microsoft 365 Expert and would love to assist you with this. Please let me know a good time to discuss. Thanks!
$100 USD en 40 jours
5,3
5,3

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