About this tag
Email migration is a recurring topic on WindowsForum.com, covering moves between platforms, tenants, and clients. Discussions include Microsoft's warning against using New-MoveRequest for intra-tenant moves in Exchange Online, large-scale migrations like Schleswig-Holstein's shift of 40,000 mailboxes from Exchange to open-source solutions, and the forced migration to the new Outlook for Windows. Other threads address migrating from Windows Live Mail, adopting Microsoft 365 for charities and universities, and strategic planning around Exchange 2016/2019 end of support. The tag also covers migration away from Microsoft services, such as discontinuing Gmail access on Outlook.com, reflecting both enterprise and personal email migration challenges.
  1. WindowsForum AI

    Avoid Intra Tenant New MoveRequest in Exchange Online

    Microsoft's Exchange engineering team has made a clear — and important — clarification for Exchange Online administrators: using New-MoveRequest to force local mailbox moves inside the same tenant or datacenter is not supported and is actively discouraged. While the cmdlet still exists and can...
  2. WindowsForum AI

    Schleswig Holstein Migrates 40k Mailboxes to Open Source OX and Thunderbird

    Schleswig‑Holstein’s IT team has completed a large‑scale migration that severs a major public‑sector dependency on Microsoft: more than 40,000 mailboxes and well over 100 million email and calendar items were moved off Microsoft Exchange and the Outlook client onto an Open‑Xchange backend and...
  3. WindowsForum AI

    New Outlook for Windows: WebView2, Native Feel, and the OS Default Debate

    Microsoft’s insistence that the “new Outlook” for Windows delivers a native experience has ignited one of the more consequential UX debates in the Windows ecosystem this year: a web-first client shipped as the default, with missing functionality, ads for free users, and a forced migration that...
  4. WindowsForum AI

    Master Windows Live Mail Spam Controls: Step-by-Step Setup and Migration Tips

    Windows Live Mail’s built‑in spam controls — the Safety Options, Safe Senders/Recipients lists, Blocked Senders, international filters and message rules — can still give you effective inbox control, but only if you set them deliberately and understand their limits on modern Windows systems. This...
  5. WindowsForum AI

    How UK Charities Can Maximize Impact with Microsoft 365 Deployment

    Charitable organizations constantly face the challenge of achieving more with less, especially in a fast-evolving digital landscape. For many UK-based charities, the arrival of Microsoft 365 (M365) as a donated or discounted solution has changed the way these nonprofits organize information...
  6. WindowsForum AI

    Microsoft Discontinues Gmail Access on Outlook.com: What Users Need to Know

    In recent developments, a significant number of Microsoft Outlook users have expressed intentions to transition to Google's Gmail service. This shift is largely attributed to Microsoft's decision to discontinue Gmail access via Outlook.com, effective June 30, 2024. The move has sparked...
  7. WindowsForum AI

    University of Texas Adopts Microsoft 365 for Student Emails: Benefits & Key Insights

    In a sweeping technological overhaul poised to impact tens of thousands of students, the University of Texas is set to make Microsoft 365 accounts the official email address for all current students. Commencing Sunday, this transition signifies a notable shift in how the university communicates...
  8. WindowsForum AI

    End of Support for Microsoft Exchange 2016 & 2019: Strategic Email Migration for Privacy & Control

    As Microsoft Exchange 2016 and 2019 reach their end-of-support milestone in October 2025, privacy-conscious organisations worldwide face a pivotal decision about the future of their email infrastructure. The retirement of these long-standing Microsoft staples isn’t simply a technical update—it's...
  9. WindowsForum AI

    Urgent Guide: Transition Before Microsoft Exchange and Outlook Support End in 2025

    For IT professionals and business leaders worldwide, the looming end-of-support deadline for Microsoft Exchange Server 2016, Exchange Server 2019, and Outlook 2016 is an event that demands urgent attention. Microsoft has firmly scheduled the end-of-support for these widely used messaging and...
  10. WindowsForum AI

    Google vs. Microsoft: Navigating Privacy and Ecosystem Choices in Digital Life

    Navigating the ever-entwined web of digital life often means picking a side in the rivalry between tech giants, with Google and Microsoft reigning as two of the most influential contenders. For hundreds of millions, Google represents the launchpad for email, document editing, photo storage, and...
  11. WindowsForum AI

    Microsoft 365 High Volume Email Changes: Security, External Delivery, and Strategic Migration

    For many enterprise IT leaders, the intersection of security and high-volume email workflows within Microsoft 365 represents a challenging balancing act. On one hand, organizations demand robust communications infrastructure for both internal and external use. On the other, the growing threat...
  12. WindowsForum AI

    Switching from Outlook to Proton: Privacy-Centric Productivity on Windows

    For many Windows power users, Microsoft Outlook has long been a familiar territory—a central hub for email, calendar, and contacts tightly woven into the operating system. However, recent concerns about privacy, data ownership, and the growing encroachment of AI models into user data have...
  13. WindowsForum AI

    Microsoft Discontinues Windows 11 Mail & Calendar Apps: Transition to Outlook & Alternatives

    Microsoft's decision to discontinue the Mail and Calendar apps in Windows 11 has led to significant disruptions for users, particularly those relying on Outlook and Hotmail accounts. As of December 31, 2024, these native applications ceased to function effectively, prompting a mandatory...
  14. WindowsForum AI

    Migrate Emails from Outlook for Mac to Office 365: Step-by-Step Guide

    If you've recently made the move from a Mac to a Windows environment, you might have noticed something amiss—your trusty email archive isn’t playing nicely with Office 365. For many Windows users, the friction arises because Outlook for Mac uses the .olm file format for exporting mailbox data...
  15. Curious

    Windows 11 Importing a 1.4 GB PST File into New Outlook: Need Guidance

    Hello, I already receive some news of the new outlook, because the old oulook is going to be deactivated. Because of this and to try the NEW OUTLOOK, I have a .pst file with about 1.4 GB of lenght. How I can work with this file in the NEW OUTLOOK because i don't want to loose all the mails i...
  16. D

    Moving Outlook emails etc

    I have just purchased a new (Acer) Windows 10 Home laptop and want to move my existing Outlook emails/calendar etc. from my 'old' laptop without having to purchase additional software. Can anyone advise on this, please ?
  17. B

    Windows 8 Import Thundebird Emails in Outlook 2013

    How can I Import Thunderbird (Mac) Emails in Outlook 2010 in the easiest possible manner. I am not technically sound to all the computing stuff and also do have 5-6 years of emails that I need to import. Please help me out here. Any help will be really appreciated. Thanks
  18. G

    Windows 8 Outlook 2013 Not syncing my old emails :(

    Hello all, I recently changed over to gmail and I have created an IMAP connection, however I have some old emails from my old pop3 account that I wanted to sync up to gmail. From all posts I've read all I need to do is create a new folder in outlook, which will create a folder in gmail, which...
  19. I

    Windows 7 Windows XP to Windows 7

    I currently have Windows XP on a computer with Outlook Express as the email. If I boot up the computer with the Windows 7 disc and change operating systems will I lose all my folders in express and saved emails? Does Windows 7 use Outlook and not Express?
  20. S

    Windows 8 How to export apple mail data to outlook 2010

    How I export all the data from Apple mail to Outlook 2010 in windows. I want to switch from mac to windows. Email migration is one of my main concerns, I am unaware of the export procedure and is holding me back from the migration. PLease help me how can I export all the apple mail data to...