Sometimes to help protect you from fraud or abuse, Microsoft Office might have temporarily suspended your account.
Because Microsoft Office have noticed some unusual activities on your account.
For complete application visit office.com/setup
But you get back into your account easily in a few steps.
Microsoft Office Account is Temporarily Suspended
Unblock your Microsoft Account:
To unblock your account,you need to follow these steps:
Enter a code that you receive via text message.
Go to https://account.microsoft.com and sign in to your suspended account.
Enter a phone number to request a security code be sent to you via text message.
After the text arrives, enter the security code into the web page.
Change your password to complete the unblocking process.
for more details, visit: office.com/setup.