As we cannot guarantee that custom fonts, images and layouts are retained, we recommend converting Microsoft Office documents (.doc/docx, .xls/xlsx and .ppt/pptx) to PDF. File size limit is 512 MB.
This article will guide you on how to convert your Microsoft Office Documents to PDF depending on which Operating System you are using:
Windows:
1. Open your Microsoft Office Document
2. Click "File"> "Save As" and click "PDF"
OSX:
1. Open your Microsoft Office Document
2. Click "File"> "Save As"
3. Click the drop-down for "Format" and select "PDF" then click "Save"