The European Union’s executive arm has started a process to provide Apple with guidance on how the iPhone maker can comply with rules to ensure its operating systems are functional with other technologies.

By Foo Yun Chee BRUSSELS (Reuters) -EU antitrust regulators launched proceedings on Thursday to ensure that Apple complies with landmark rules requiring it to open up its closed ecosystem to rivals or risk a possible hefty fine.

Apple just received a very clear message that it still has a lot to do if it hopes to comply with Europe's new digital antitrust rules. Why it matters: The tech giant, which has built its entire business around its own closed-world ecosystem,

EU authorities say Apple has failed to come into compliance with the Digital Markets Act, a newly enacted regulation aimed at large tech companies.

EU antitrust regulators on Thursday launched proceedings to ensure that Apple complies with landmark rules requiring it to open up its closed ecosystem to rivals. Under the so-called specification proceedings,

Many of the law’s provisions apply not at the company level, but rather only to specific products that the EU designates as core platform services. Apple’s iOS, App Store and Safari received that designation last September,

The European Union antitrust regulators launched proceedings on Thursday to ensure that Apple complies with landmark rules requiring it to open up its closed ecosystem to rivals or risk a possible hefty fine.