Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Dear @soung-kuk seo,
First of all, I want to begin by sincerely apologizing for the frustration and inconvenience this issue has caused you.
For better assist, I would appreciate your assistance in confirming the following details:
- Was this subscription purchased directly by you?
- Could you please confirm where you purchased the Office 2010 Professional Plus subscription?
- Who is the administrator associated with this Volume Licensing agreement at the time of purchase?
- If you are the original purchaser of this subscription, kindly:
- Check the original purchase or confirmation email received at the time the license was acquired, and
- Share with me the email address used during the purchase or license registration, so that I can further review the available support options.
For security reasons and in accordance with forum policies, kindly provide the above information via private message instead of posting it publicly. Please click here to check your private message:
Thank you very much for your valuable time and your cooperation. I look forward to your response.