How to reduce the size of Microsoft Office files

Convert Microsoft office file into PDF format

In MS Office applications, go to File tab
Click on Save As and then click on Browse
Browse to the location in which you want to save the file
Enter the File name
In the Save as type dropdown, select PDF
Be sure that Minimum size is selected
Click on Save when done

Reduce the images size in MS Word

Open the MS Word file
Select any image in the file
Under Picture Tools, click on Compress pictures
Select Web/Screen under Change resolution
Click OK when done

Reduce images size in MS PowerPoint

Open the MS PPT file
Go to File tab and then click in Options
Go to Advanced and locate Image size and quality block
Select 96 ppi under Default resolution
Click on OK once done