Online Docs Viewer / Microsoft Office Viewer

Example: 

Viewer

Microsoft Office Viewer

Only files under 10 MB can be previewed with the Microsoft Office Viewer.

• Office Viewer Link: https://view.officeapps.live.com/op/view.aspx?src=[OFFICE_FILE_URL]
• Office Viewer Embedded Link: https://view.officeapps.live.com/op/embed.aspx?src=[OFFICE_FILE_URL]

Microsoft Office Viewer only previews office document types, listed below:

1. Microsoft Word (.DOCX, .DOCM, .DOTM, .DOTX, .DOC)
2. Microsoft Excel (.XLSX, .XLSB, .XLS, .XLSM)
3. Microsoft PowerPoint (.PPTX, .PPSX, .PPT, .PPS, .PPTM, .POTM, .PPAM, .POTX, .PPSM)

Online Docs Viewer / Microsoft Office Viewer