also could you let us know the version of onedrive for business you are using? you can check the version by going to task manager-> microsoft onedrive for business (groove.exe)-> properties-> details. meanwhile, next generation sync client in windows has been released, you can also try using it to sync the library. for reference:
. To protect your account and its contents, neither Microsoft moderators here in the Community, nor our support agents are allowed to send password reset links or access and change account details. We recommend checking out the following resources for help in regaining access to your account: . Help with the Microsoft account recovery form How to recover a hacked or compromised Microsoft ...
To check for the right Skype account, please refer to the order confirmation email that you have received. It will show the Skype name or ID that you need to access for the specific subscription (see below).
If after following the above steps and there's still no reactivate button showing on your account, please check the private message I sent you to further discuss this.