OneDrive does not recognise the additional storage

Hello, thank you for reaching out to Microsoft Q&A.

1. Please check whether the Office 365 subscription has been added to your account here https://account.microsoft.com/services, and make sure that you are signed in to OneDrive with the same account.

If you exceed your OneDrive or Outlook storage limit, your account will be put into a frozen state.

So, if you upgrade your Microsoft account storage by purchasing an Office 365 plan, your additional storage should appear in your account within 2–4 hours.

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After a few hours, open an incognito tab on any web browser and go to this link:

https://onedrive.live.com/?v=managestorage

and sign in with your Microsoft account that is associated with an Office subscription.

See if the storage is being reflected.