So that no one looses access, check the box for ☑︎ Share it with the same people.Tip: Select a Shared Drive so that the Shared Drive owns it, not any one person (but note that you cannot put Google Forms with file-upload questions in Shared Drives) For Files, in the Copy document window, click Folder and choose a location for the copy:.For New Google Sites, click ⋮ > Make a copy near the top right.For Google Forms, click ⋮ > Make a copy near the top right.For Google Docs/Slides/Sheets/Excel/PowerPoint/Word, near the top left click File > Make a copy.It is a better practice to open a file to make a copy to avoid making copies of shortcuts: Making a Copy of a Google or Office File or New Google Site Making a Copy of a Non-Google Files (pdfs, images).Making a Copy of a Google or Office File.For example, if you've searched for files not owned by you and sorted by last modified and you see an important file you don't own, make a copy.
If you need to have a copy of a Google Drive item, especially one you don't own (in case the original goes to trash/is deleted), you can do so with the right-click or options ⋮ menu).