Slack files complaint against Microsoft in EU

Embargoed to 0001 Saturday July 04 File photo dated 06/08/13 of a person using a laptop. Research from TSB suggests many peop
Embargoed to 0001 Saturday July 04 File photo dated 06/08/13 of a person using a laptop. Research from TSB suggests many people could be vulnerable to a fraud attack by failing to spot the warning signs that a message appearing to be from a legitimate company is actually a scam.

Workplace chatting service Slack has filed a complaint in the EU against Microsoft, accusing the software company of anti-competitive behaviour.

Slack says Microsoft illegally bundles the Microsoft Teams messaging product, which is similar to Slack, into Office 365, its package of email and other widely used business software.

Slack says Microsoft forces companies to install it for millions and blocks its removal.

Slack Technologies Inc, which went public in 2019, has been growing rapidly.

It reported 201.7 million dollars (£158 million) in sales in its February-April quarter, up 50% from the same time last year.

It also reported 122,000 paid customers, up 28% from when the company went public in April 2019.

Traders on the floor of the New York Stock Exchange as they wait for the Slack Technologies IPO to begin trading in 2019
Slack went public in April 2019 (Richard Drew/AP)

Slack still faces tough competition, particularly from Microsoft’s Teams software.

Slack last month announced an expanded partnership with Amazon’s cloud computing division, an attempt to join forces with Microsoft’s chief rival.

It more recently announced it is buying Rimeto, which creates detailed staff directories.

The European Commission will review the complaint and decide whether to open a formal investigation.

If the European Commission decides to investigate, Microsoft could potentially face huge penalties.

The European Union’s powerful competition commissioner Margrethe Vestager, who has been at the vanguard of the global movement to rein in big technology companies, has slapped Google with multiple antitrust fines totalling nearly 10 billion dollars (£7.8 billion), which the company is appealing against.

Last month, the commissioner opened twin investigations into Apple’s mobile app store and payment platform over concerns that its practices distort competition, following a complaint filed by music streaming service Spotify.

But critics say big fines have not had much of an impact on tech giants, and she has been weighing up stronger measures to curb their anti-competitive behaviour.

Ms Vestager was dealt a setback earlier this month, when an EU court ruled that Apple did not have to pay 13 billion euros (£11.8 billion) in back taxes to Ireland in a case dating back to 2016, dealing a blow to the bloc’s efforts to clamp down on multinationals’ ability to strike special tax deals with individual EU countries.


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