outlook

Microsoft has confirmed a fresh wave of regressions tied to the January Patch Day security updates: some applications may stop responding or report errors when opening or saving files stored in cloud-synced locations such as OneDrive or Dropbox, Outlook Classic profiles that store PSTs on...

Microsoft has told affected Windows 11 users to roll back the January 13, 2026 cumulative update — KB5074109 — after a string of post‑patch regressions left some desktops unstable, broke parts of the classic Outlook workflow for POP accounts, and forced Microsoft to ship emergency out‑of‑band...

Windows 11 users are again facing a fresh wave of patch-related breakage: a January 13, 2026 cumulative update (KB5074109) introduced a regression that can make apps unresponsive or fail when opening or saving files on cloud‑backed storage such as OneDrive and Dropbox — and the fallout has...

Microsoft's cloud productivity stack experienced a disruption on January 21, 2026, with Microsoft 365 and Microsoft Teams reporting widespread problems early in the U.S. workday and recovery messages appearing within a few hours as Microsoft traced the impact to a third‑party networking...

Microsoft’s January servicing wave has produced a messy and consequential regression: a cumulativetive update released on January 13, 2026 (KB5074109) introduced a file-access problem that can leave apps — most notably classic Microsoft Outlook when its PST files live in OneDrive or other...

Microsoft’s quietly powerful Search Folders in Outlook are being repositioned inside Settings and expanded with a set of new, built-in filters — a change that promises clearer discoverability and faster inbox cleanup, but also raises questions about rollout timing, backward compatibility, and...

Microsoft has confirmed that its January security update can leave Outlook unstable when users open or save files that live in cloud‑backed folders such as OneDrive or Dropbox — a problem that in some configurations causes the classic Outlook desktop client (especially profiles using POP and PST...

A routine January Patch Tuesday rollup (KB5074109) accidentally left parts of Microsoft’s classic Outlook experience unstable for a measurable number of users, triggering freezes, lingering OUTLOOK.EXE processes, lost Sent Items and a rapid sequence of follow‑up fixes and mitigations from...

Microsoft has confirmed that its January 2026 Patch Tuesday updates for Windows 11 introduced multiple regressions and has already shipped targeted fixes to address the most disruptive problems, but mixed reports and unacknowledged reports mean administrators and power users must act carefully...

Microsoft’s forced migration away from the lightweight, native Mail & Calendar apps toward a single web‑wrapped Outlook has left many Windows 11 users feeling betrayed — the new Outlook behaves like a browser in a window, feels sluggish on tablet devices, and is reigniting debates about...

A quiet but consequential Outlook update has left some Windows users unable to open messages protected with Microsoft’s “Encrypt Only” setting, turning sensitive emails into unreadable attachments and forcing administrators and senders into an urgent triage mode until a permanent fix ships...

Microsoft has confirmed that a recent Current Channel update to Classic Outlook (Version 2511, Build 19426.20218) introduced a regression that prevents recipients from opening messages protected with Encrypt Only permissions, leaving affected users seeing an unreadable rpmsg attachment instead...

A recent update to the classic Outlook desktop client triggered a high-impact interoperability bug that interrupted the handling of S/MIME-signed messages and Office Message Encryption (OME) protected email, producing confusing prompts and, in some cases, stripping digital signatures when...

Microsoft is bringing Microsoft 365 Copilot’s meeting‑scheduling and meeting‑preparation smarts into Classic Outlook for Windows, adding a Copilot chat sidebar, “Schedule with Copilot” drafting tools, and attachment summarization so users of the long‑standing Win32 client can create invites...

DataVare has released a streamlined “smart migration” workflow that promises to make Mac Outlook’s OLM archives readable inside Windows Outlook by converting OLM files into Windows-compatible PST files with a focus on preserving folder structure, attachments, and metadata. Background For many...

Boa tarde. Tenho o Windows 11 Home 25H2 Pack 1000.26100.275 com as últimas atualizações instaladas. Tenho também o Office 365 e todas as suas aplicações a correr na versão 2512 (Build 19530.20108 Click-to-Run). Já me aconteceu duas vezes, uma delas ontem. Estou a trabalhar no Outlook Classic...

Satya Nadella’s blunt internal assessment that Copilot’s connections to Gmail and Outlook “for the most part don’t really work” has blown open a rare, public window into Microsoft’s product reckoning—one that exposes the gap between Copilot’s marketing promise and its operational reality, and...

Microsoft’s Copilot is coming to the long‑standing Classic Outlook for Windows and — importantly for organizations that rely on the desktop client — it will bring the same meeting‑preparation and context‑summarization capabilities that have already shipped on Outlook for the web, Mac, and mobile...

Microsoft’s redesigned Outlook for Windows can refuse to open on some machines — a problem that has repeatedly surfaced after app updates — but a simple, community-proven cleanup of two per‑user folders often restores the client immediately while preserving mailbox data in the cloud. Background...

Microsoft's redesigned Outlook for Windows refused to open for a number of Windows 11 users in December, producing a sharp, consistent error in Event Viewer — exception code 0xc0000409 — and leaving the app stuck at launch. The immediate remedy that worked for most affected PCs was unexpectedly...