Question

Which is most likely a presentation file?

filename.doc

filename.pptx

filename.txt

filename.pdf

Answer 1

Hi!

filename.pptx is the correct answer.

Step-by-step explanation:

• .DOC is a document file extension used by Microsoft Word.

• .TXT is a file extension for a text file used by Notepad.

• .PDF is a file extension related with Portable Document Format used by Adobe Acrobat Reader.

• .PPTX is file extension used by Microsoft PowerPoint Presentation.