he amount of bugs stemming from poor coding and even poorer analysis of work flow just keep mounting for Microsoft 365 users, with the software giant issuing yet another fix for Outlook, adding to a growing list of grievances from consumers who are already facing imminent price rises.

What’s not known is how much of the sloppy work is down to Microsoft’s use of Copilot AI.

On any given day, users are opening their 365 apps only to discover a fresh wave of problems. Complaints have been widespread and persistent, ranging from massive memory leaks in Outlook consuming system RAM at an alarming rate, to outages affecting Outlook and Teams that have derailed meetings, missed project deadlines and brought customer-facing operations to a halt. Many frustrated users have summed up the situation bluntly, with one posting online, “Microsoft 365 is great, until you actually need it most.”

Overnight, Microsoft moved to release a service-side update targeting a classic Outlook bug that was causing Office files to load blank, show repair prompts, or trigger corruption warnings. The problem affects Word, Excel, and PowerPoint files opened through OneDrive and SharePoint links in classic Outlook, and the rollout began yesterday, with Microsoft advising it should gradually reach all affected users shortly.

To activate the fix, all a user needs to do is restart classic Outlook. Notably absent from any Microsoft communication, however, was any mention of the white screen appearing in Teams that is currently preventing users from sharing their screens, yet another unresolved issue quietly being ignored.
The pattern of disruptions has become so frequent that reliable planning has become nearly impossible for many organisations, with some reporting productivity losses running into the six figures.

Adding to the frustration is what critics call an escalation lag, with users experiencing pronounced performance issues well before Microsoft makes any public acknowledgment, a delay that costs businesses real money.

Until the current rollout finishes, the cleanest workaround is to access affected files outside of classic Outlook entirely. Microsoft is urging users to copy the link into a browser, open the document directly from SharePoint, or switch to Outlook on the web. If Office files still load blank, restarting classic Outlook once is the first step, followed by a browser-based workaround if the issue persists.

Several users have questioned whether Microsoft is deliberately pushing people away from classic software toward the cloud, with many claiming the cloud-based alternatives are “nowhere near as good as the classic software.” Microsoft has simultaneously been forcing migrations and retiring legacy clients, most recently ending support for the Classic Teams client entirely, lending some weight to those suspicions.

IT teams should watch for repeat reports tied to OneDrive and SharePoint links in classic Outlook. The clearest sign that the update has arrived will be straightforward, Word, Excel, and PowerPoint files should once again load from Outlook without triggering false alarms, at least until the next bug arrives.