Note: If your file is not already saved to OneDrive, you’ll be prompted to upload your file to OneDrive to share it. How do I make a shared document editable? When everyone is working at the same time, that’s called co-authoring. With Office and OneDrive or SharePoint, multiple people can work together on a Word document, Excel spreadsheet, or PowerPoint presentation.
Tech Tip: How to Create Fillable Forms in Microsoft Word How do I make a fillable Word document editable?
People you share the document with can view or edit the file using either the free Word Online app or Word 2016. With Office 2016, Microsoft introduced a new, highly useful collaboration feature in Word: Co-editing (or co-authoring), which allows multiple people to work on a document at the same time.