If you have a Microsoft Office file that you want to share with others but do not want them to change the format, you may want to save the file as a PDF. For step-by-step instructions, please visit Microsoft's Support website.

How to Save a Microsoft Word Document as a PDF on a PC (2013 and 2016)

1. In Microsoft Word, click on File > Export > Create PDF/XPS.
   
2. In Publish as PDF or XPS, type or select a name for the document and navigate to where you want to save the document on your computer. 
3. Click Publish.

How to Save a Microsoft PowerPoint Presentation as a PDF on a PC (2013 and 2016)

1. In Microsoft PowerPoint, click on the File tab and select Save As.
2. In the File Name list, type or select a name for the document and navigate to where you want to save the document on your computer. 
3. In the Save as type list, select PDF. 
4. If you want to open the file immediately after saving it, select the Open file after publishing check box. This check box is available only if you have a PDF reader installed on your computer. 
5. Click Save.

How to Save a Microsoft Document as a PDF on a Mac

1. In Microsoft Word or PowerPoint, go to File > Save As. 
2. In the Save As text box, type a name for the document and navigate to where you want to save the document on your computer. 
3. Select PDF from the Format type drop-down menu.
4. Click Save.