June 25 (Reuters) - The European Commission on Tuesday

charged Microsoft ( MSFT ) with illegally bundling its chat and

video app Teams with its Office product.

The following are events in Microsoft's ( MSFT ) relationship with EU

antitrust regulators and ongoing investigations into its other

businesses:

1998 - The European Commission opens an investigation into

Microsoft ( MSFT ) over interoperability issues, after a complaint from

Sun Microsystems.

2000 - The Commission begins investigating the tying of

Microsoft's ( MSFT ) Media Player with its operating system.

2004 - Regulators impose a 497 million euro ($533 million)

fine on Microsoft ( MSFT ) for not making data available to rivals and

for tying Media Player to its operating system.

2006 - The Commission levies an additional 280.5 million

euro fine for Microsoft's ( MSFT ) failure to comply with the 2004 EU

order to provide data to rivals.

2008 - Regulators open two new investigations, one into

interoperability issues, and a second into browser choice.

2008 - The Commission imposes an 899 million euro fine, its

second additional penalty, after Microsoft ( MSFT ) again fails to comply

with the 2004 EU order.

2009 - Microsoft ( MSFT ) settles the 2008 investigation into browser

choice with an offer to allow access to rival products.

2012 - Europe's second highest court reduces the 2008 fine

to 860 million euros from 899 million euros, on appeal by

Microsoft ( MSFT ).

2013 - Competition regulators impose a 561 million euro fine

for not complying with the 2009 promise on web browser choice.

2020 - Salesforce-owned Slack complains to the EU about

Micrsoft bundling its chat and video app Teams with its Office

product.

2022 - The Cloud Infrastructure Services Providers in Europe

(CISPE) which counts Amazon as a member, complains to the

Commission regarding Microsoft's ( MSFT ) cloud computing practices.

2023 - German rival Alfaview complains to the EU watchdog

about the bundled Teams and Office package sold to educational

institutions, leading to regulators opening an investigation.

2024 - EU seeks feedback from rivals and users about its

security software practices.

2024 - Microsoft ( MSFT ) in talks to resolve antitrust complaint by

the Cloud Infrastructure Services Providers in Europe (CISPE)

which counts Amazon as a member.

Sources: European Commission, Microsoft ( MSFT )

($1 = 0.9324 euros)

(Compiled by Foo Yun Chee; editing by Barbara Lewis)