Seamless Email migration [Google Workspace ↔ Microsoft 365] — Known issues & step-by-step troubleshooting

The Ultimate Step-by-Step Guide to a Proven Zero-Downtime Email Migration from Google Workspace to Microsoft 365. TL;DR / Hook Email migrations between Google Workspace (GCP) and Microsoft 365 are common but full of small gotchas: authentication failures, throttling, label→folder mapping, DNS cutover mistakes, and unexpected costs or downtime. This post walks through the most frequent […]