What class are you taking that you are having a problem with?
Give us a screen capture of what you see when you click on the file "menu"/tab in Word 365 or Excel 365.
Here is the "backstage" view of Word 2016 (Windows) in the File menu > Account command:

Screen Cap- How to embed images on MicrosoftCommunity Forum
https://answers.microsoft.com/en-us/feedback/forum/fdbk_commsite-fdbk_getstart/how-to-embed-images-on-microsoft-community/f74dac61-38d6-492e-8e71-286ab2645b2a
New MS Screen Capture: "SNIPPING TOOL" – wiki screen cap – Snipping Tool is Deprecated as of Win Version 1809 (Oct 2019)
https://answers.microsoft.com/en-us/windows/forum/windows_other-winapps/new-ms-screen-capture-snipping-tool/ab2f71c3-0e25-4a7e-8af7-c28357430991?tm=1536005437872
The "backstage view" is just the fancy name for the "phat" menu that is displayed when you click on the File tab in the ribbon
Office:**Backstage View The New File Menu** Video Duration: 00:06:58
Open- Restore classic Open / Save As dialog in Word 2016 / 2013http://in5stepstutorials.com/ms-word/restore-classic-word-open-save-as-dialog.php****Word 2010 introduced the ribbon, but still used the standard Open dialog and
Save As window to open and save your documents. As of Word 2013 and Word 2016, those have been replaced by default with the Backstage view (see screenshot). Fortunately, for those who prefer the simpler -I think- approach, you can restore the old Open
and Save dialogs to the classic popup dialogs.
Office 2013 Ribbon Overviewhttp://www.indezine.com/products/powerpoint/learn/interface/
1. Change Ribbon Labels from CAPs to Title Case
2. **File Menu and Backstage View**
3. Ribbon and Tabs 2013
4. Quick Access Toolbar
5. Customize Quick Access Toolbar
6. Add and Rename Ribbon Tabs
7. Reordering and Removing Ribbon Tabs
8. Working with Custom Groups in Ribbon Tabs
9. Adding Commands to Custom Groups