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But it sends your stuff to MS instead?

• behnamoh 6y ago
  No need to sign in to your MS account.
  • esperent 6y ago
    They will surely still send all the data whether you are signed in or not. Maybe it won't be linked to a particular account, but it's a fair bet that it will still be linked to _you_. It's well-publicized that Facebook has shadow accounts for people who are not logged in to their service, and it's reasonable to assume that other large companies do this too.