Steve Ballmer

Dorsey, chief executive of Square, is also in the running for the Twitter top job

A $7.5bn writedown means handset unit has lost almost all it s value in just over a year

Move not to impact on Irish operations as company reorganises phone business as Nokia deal fails to deliver

Departure of phone boss signals a shift of emphasis away from hardware and back to Microsoft’s core business

Ivy League university is building a new engineering school in the Allston area of Boston

At its Build conference, the software giant made clear developers were central to its plans

Filing shows companies can end partnership after October 1st, 2015

Web giant may have massively lost out by not doing a deal on time

Tim Cook’s presentation of Apple watch invited the assumption it might cure leprosy

Charitable donation structure in Ireland needs an overhaul

Microsoft to acquire Mojang in a bid to boost its Xbox and mobile businesses

This week: Satire on the internet, ‘dawn and dusk shoppers’ and the latest on lipstick

Eight months after his departure as CEO, software giant’s largest individual shareholder steps down from board

Impact on Irish operation, which employs 1,200, is thought to be minimal

Alan Mulally will bring auto expertise to the tech firm at a time when its developing self-driving cars

E-commerce giant agrees to pay $192m for stake in Asian championship side Guangzhou Evergrande

Basketball franchise came up for sale after owner Donald Sterling was banned for racist remarks

Software giant’s former chief executive owns 3.1 million shares more than Bill Gates

Microsoft ’s new Xbox television studio has already committed to six original TV shows

Investors have urged Microsoft to adapt Office for mobile devices from Apple and Google

Firm is joining forces with hardware manufacturers and Qualcomm to make lower cost handsets

Bill Gates to step aside as chairman and devote more time to product development

Co-founder Bill Gates may step aside as chairman as part of move, source claims

Nadella is popular choice due to involvement in enterprise software and cloud computing businesses

But a number of other candidates still in the running as tech firm seeks new leader

The Snowden revelations shook the tech giants, but they had plenty of their own problems to deal with

Calm markets were reflected in the Vix – or fear index – hitting a six-year low of 12 and never exceeding its average

This week: ‘Wardrobing’, Twitter drama and One Alan for One Microsoft

Firm relies on corporate software demand to make up for weak consumer purchases

Three investors said to be concerned that chairman’s role blocks adoption of new strategies

Trouble started when it emerged Stephen Elop stood to receive €18.8m in compensation

Even the Finnish prime minister reckons the payoff for CEO is “wild”

Canadian will pocket €14.6m more than previous Nokia boss

World’s biggest software maker embarks on one of most tumultuous periods in 38-year history

It can be catastrophic for companies to be associated with one name and then lose that leader

Corporate energies and cash may have been better spent elsewhere

Failure to crack smartphone dominance of Samsung and Apple contributory factor