If you accept the argument that companies "with a commanding share of the market" should be forced to open up their products, then you can emulate the antitrus

If you accept the argument that companies "with a commanding share of the market" should be forced to open up their products, then you can emulate the antitrust remedy the EU put into place for Microsoft in the Windows client/server market (for example, products like Novell Netware or Samba). Microsoft was required to open up the algorithms and APIs required to become a Windows Server, Domain Controller, file server, print server, group policy object Server... everything. That's how Samba on Linux became a completely compatible Windows domain controller. Microsoft was required to share all the information and APIs Samba required. Do the same thing with Office software. Don't just claim the file formats are open, force the release of the algorithms needed to interpret the data in those files to allow opening modifying and saving changes in a completely compatible manner. > Microsoft has given up its nine-year fight against antitrust regulators in Europe, saying yesterday that it would not challenge a court judgment from last month and would share technical information with rivals on terms the software giant had long resisted. European regulators and some software groups in Europe hailed the deal as a breakthrough that should open the door to freer competition, especially in the market for the server software that powers corporate data centers and the Internet. https://www.nytimes.com/2007/10/23/technology/23soft.html https://www.nytimes.com/2007/10/23/technology/23soft.html