Attaching the actual file is easy. Click inside the cell of the spreadsheet where you want to insert the object. Select the Insert tab. Click Object in the Text group to open the Object dialog box.

Giving viewers a look at Scully’s (Gillian Anderson) file reveals disturbing levels of intel, including a recent tissue sample. A file insert also drops a Mulder (David Duchovny) bombshell.

If you want to watermark a PDF file, you can either insert the watermark into the PDF itself or create a file in another program with a watermark and then transform it into a PDF. For example, ...

You can select, copy, cut, and paste text in command mode. Position the cursor at the left or right side of the text you want to copy and press the v key. Move your cursor to select text, and then ...