If you want to open and edit a Word document without Word desktop application or Microsoft Word Online, here is how you can do that. If you need a minor change or view the document only, you can ...

Persons can get access to the Alt Text feature by clicking “Edit Alt Text” in the context menu for images. How to disable Alt Text for Images in Microsoft Word.

Like many text editors, LibreOffice lets you edit PDFs, and it’s not bad at it, either. Here’s how to use LibreOffice as a PDF editor. How to edit PDFS in LibreOffice ...

But they're very difficult to edit — by design. If you need to "crack open" a PDF file and make changes, though, you can do that by converting the PDF to Word.

Others can edit the body of the document, but not the header and footer area. This solution isn’t intuitive, and, oddly, Word doesn’t offer an option for protecting only the header and footer.