Cannot sign into MS Excel, Word, PowerPoint

Himhav3 

Sorry to hear that you are having issues and it is hindering your work.

Could you please be able to provide me some more details.

What kind of account you are using? A Microsoft live account or office365?
If  yes, it is Office365, then what kind of license you have on your account? E1 E3 E3?
Are you the admin for your Office365 organisation?

What is the online address you use to access your Emails/Apps?
Exact version of Office app installed on your PC?

Are you a federated user? Do you login with same account to your PC? 

Is single sign-on (SSO) is working?

Is your subscription expired?
is your account enabled?
Surely your account isn't locked out?

Try to use "Microsoft Support and Recovery Assistant for Office 365"

https://diagnostics.outlook.com/#/

Easy to use, download and run it. Login then follow the steps please.

Thank you
Dav,