Microsoft’s Macintosh Business Unit will hold a special press conference call next Thursday, the company said in an invitation sent to press on Tuesday. While Microsoft wouldn’t go in to details on what would be announced, the call will be hosted by Eric Wilfrid, MacBU general manager. The event is only open to invited press and will not be held in person, only on the phone.

The announcement could surround a number of Microsoft products, including the next version of Office, but we’ll have to wait to find out.