From here, you will be able to learn how to use the productivity software, the Microsoft Office Word, Powerpoint, and excel. Here are the most interesting tutorials we have picked.

Official guide by microsoft
https://support.microsoft.com/en-us/office/office-quick-starts-25f909da-3e76-443d-94f4-6cdf7dedc51e

Microsoft Word

Microsoft Powerpoint

Microsoft Excel