Flawless M365 Tenant-to-Tenant Migration: 50TB+ Moved with Zero Downtime and 99.9% Fidelity

We engaged CloudFuze for a large Microsoft 365 tenant-to-tenant migration, and their platform showed exceptional capability in handling complex, enterprise-scale workloads. Our requirement was to migrate 10,000+ users and 50TB+ of critical data across OneDrive, SharePoint, Outlook, and Teams, and CloudFuze delivered smoothly end to end.

What do you like best?

Compared with other tools that tend to struggle with API throttling or complicated permission mappings, CloudFuze’s backend architecture proved extremely robust. A few standout areas of their performance included high-fidelity data transfer, automated delta syncs, and actionable analytics.

On data transfer, they migrated 100% of our file versions, custom permissions, and complex Teams channel structures (including private channels and chat history) while maintaining 99.9% data fidelity.

Their true delta sync capabilities were also a game-changer. By running background syncs ahead of the weekend cutover, we reduced the final migration window by more than 60%, which meant zero disruption to the business.

Finally, the real-time monitoring dashboard provided granular visibility throughout the process. We were able to track the migration of more than 5 million discrete files in real time, and the automated conflict resolution plus detailed audit logs saved our IT team an estimated 40 hours of manual validation work per batch. Review collected by and hosted on G2.com.

Because the platform is so feature-rich and designed for complex enterprise migrations, the initial configuration interface can feel a bit daunting. There’s a steep learning curve for junior admins who aren’t familiar with Microsoft’s API limitations or more advanced mapping logic. Although the support team does an excellent job guiding you through the process, it would be a welcome improvement to have a more intuitive “Express Setup” wizard for standard workloads. Review collected by and hosted on G2.com.

It looks very UI friendly and very simple to use. Could have better performance for App and web users who do not use Hardware Acceleration. Would be good if AI is a bit more refined. Integrations are alright, could be better managed or presented in that a collaborative way. Personally I don't think the money's worth for what I have seen my teammates use it for. Support hasn't gotten any issue with Review collected by and hosted on G2.com.

It would be helpful to have a more robust Q&A section for people who want quick, “NOW”-type answers, so they don’t have to dig around to find what they need. Review collected by and hosted on G2.com.

The initial setup of CloudFuze was relatively easy. Review collected by and hosted on G2.com.

The support hours weren't as expected and emails were missing after the initial migration. Google Drive data was migrated incorrectly in the formatting structure and Google Calendar wasn't migrated correctly, which cost us a lot of time to fix. There were a lot of false promises regarding the tool's capabilities, which didn't work as expected. The speed was significantly worse, and dashboards were outdated, making it hard to track migration progress and communicate with stakeholders. Review collected by and hosted on G2.com.

They're deep set knowledge and doing large scale migrations from multiple companies and that they're very easy to work with and are very detailed oriented and always there for help. Review collected by and hosted on G2.com.

Absolutely nothing they did exactly what we expected Review collected by and hosted on G2.com.

CloudFuze provides a comprehensive migration solution with support for multiple cloud platforms. The interface is easy to use, and the migration team was responsive and knowledgeable. Review collected by and hosted on G2.com.

Some reporting and status messages could be more detailed, especially for complex migration scenarios. However, support was helpful in addressing questions. Review collected by and hosted on G2.com.

I found CloudFuze’s Dropbox to Google Workspace migration tool very useful. We had more than 1,000 users and 500+ terabytes of files and folders combined. They were able to migrate all of it without any inaccuracies. We are happy with the results. Review collected by and hosted on G2.com.

Nothing in particular.Nothing in particular. Review collected by and hosted on G2.com.

The most beneficial feature for me is that it connects and migrates data seamlessly across more than 40 distinct cloud storage providers, as well as hundreds of SaaS ecosystems. Review collected by and hosted on G2.com.

Customer support turnaround times can be slow, especially when dealing with complex errors during custom endpoint migrations. Review collected by and hosted on G2.com.

Customer Service and file transfer was seamless & fast by Deepak and Abhishikth. Review collected by and hosted on G2.com.

The contract did not detail the migration backbone needed to be completed by the customer and not internal by cloudfuze. We worked through that issue but cloudfuze presents it self as a turnkey product without an legwork and you need to have an IT background fully utlize this product. Review collected by and hosted on G2.com.

Complete Metadata Retention: Unlike basic transfer tools, CloudFuze perfectly preserves complex metadata such as permissions, timestamps, sharing structures, and version history during large-scale transfers. Review collected by and hosted on G2.com.

Migrating massive amounts of data can take weeks, requiring careful planning for time-sensitive projects. Review collected by and hosted on G2.com.

I like how CloudFuze makes migrations feel effortless, especially the way it cleanly moves files, permissions and links across clouds. Review collected by and hosted on G2.com.

CloudFuze's UI/UX can feel outdated sometimes. Review collected by and hosted on G2.com.