The team behind the Skype product today revealed a new app logo. According to them, the new logo serves as a signal that Skype and Office apps receive significant changes.
The new logo looks as follows:
The official announcement mentions the following video to remind us how and for what Microsoft has created those new icons:
The new Skype Preview app has a very streamlined user interface. It follows the modern trend of flat minimalist design with glyph icons and no borders anywhere. This design is being used in all other Microsoft products.