Microsoft, like most large software companies, has been pushing its customers to use — and pay for — AI features over the last few years, filling familiar apps and interfaces with new chatbots and buttons in an effort to figure out which habits might stick. In 2026, with so much excitement about AI-powered programming and more ambitious “agentic” tools, the company is shifting in a new direction, releasing its own take on Anthropic’s “Cowork” tool to its massive user base:

Announcing Copilot Cowork, a new way to complete tasks and get work done in M365.When you hand off a task to Cowork, it turns your request into a plan and executes it across your apps and files, grounded in your work data and operating within M365’s security and governance… pic.twitter.com/UT2Z50J7F7— Satya Nadella (@satyanadella) March 9, 2026

Announcing Copilot Cowork, a new way to complete tasks and get work done in M365.When you hand off a task to Cowork, it turns your request into a plan and executes it across your apps and files, grounded in your work data and operating within M365’s security and governance… pic.twitter.com/UT2Z50J7F7

For a firm with such close and early ties to frontier models, Microsoft has struggled to translate early-adopter AI use into tools that regular office workers actually want, leaving customers feeling spammed and harassed by all the new tools it keeps throwing at them. Cowork is a departure. It’s Microsoft’s take on the industry-wide reorientation toward funneling AI capabilities into a single chat window — the general productivity equivalent of vibe coding. This format has started to prove out for software development, but hasn’t yet penetrated the broader world of spreadsheets and slide decks.

At the level of software, tools like this represent a fascinating change in interface, a jump from apps designed for people to use — think the classic Office suite — to a set of services to be manipulated through language. In the late ‘80s, a software productivity suite might have felt like a similar new set of abstractions: Elements of a word processor and a secretarial staff merged and semi-automated into Word; formerly human accounting functions incorporated into a piece of spreadsheet software that could also render a chart. Tools like Cowork, in their early forms, move things up another layer, using AI to manipulate software in the approximate manner of........

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