Many educational institutions provide Microsoft 365 for free to students.
If you want, I can draft a product requirements doc, UI mockups for the task pane, or a prioritized implementation roadmap. ftuapps microsoft office
: If you need a desktop application without the cost, LibreOffice or WPS Office offer high compatibility with .docx and .xlsx files. Office 2013 End of Support - Microsoft 365 Many educational institutions provide Microsoft 365 for free