However, Microsoft Office Word 2010 features built-in support for the ODT file extension, allowing you to instantly open them without having to install any kind of add-on or extension.

Versions of the software from Word 2013 forward, including Word 2016, Word 2019 and Word for Office 365, all have the capability to incorporate PDF files directly into a Word document.

When I opened the document to edit it in Word Online, I received a notice: "ODT Document Some compatibility issues could occur if you edit this file," followed by a link to details.

Microsoft Word does not include PDF annotation tools per se, but you can get creative with its document editing capabilities. Shapes can be added to a PDF using the Design tab, for example, and ...

For security purposes, we recommend locally converting your PDF to a Word document. Whenever you upload your document to a remote server, there’s always a chance that the contents might be leaked.