An intentionally blank page or vacat page is a page that is devoid of content and may be unexpected. Such pages may serve purposes ranging from place-holding to space-filling and content separation. Sometimes, these pages carry a notice such as "This page intentionally left blank."

Has been left blank intentionally?

In digital documents, pages are intentionally left blank so that the document can be printed correctly in double-sided format, rather than have new chapters start on the backs of pages. ... The intention is to leave room for expansion without breaking the document's page numbering.

How do I insert an intentionally left blank in Word?

Click Watermark. Select Add Watermark. On the Add Watermark window, choose your settings. In the example below, I've entered 'This page intentionally left blank' as the watermark text and set the font, font color, and font size.