Send Your Resume as a PDF File
If there are no specific instruction send your resume as a PDF file. You will make sure that it looks as you want because virtually everyone can open a resume in PDF format on their computers (no need extra software - even web browsers can open PDF files). Also saving your document as a PDF ensures that the formatting will not get messed up when a user opens it.
Office for Windows
Choose File > Export > Create PDF/XPS.
In Publish as PDF or XPS, navigate to where you want to save the file. Also, modify the file name if you want a different name.
Office for Mac
Click Save As.
Click File Format towards the bottom of the window.
Select PDF from the list of available file formats.
Give your file a name, if it doesn't already have one, then click Export.