Excel, Word and PowerPoint files can be previewed straight from the Document Index, without having to download the document, and do not require any programs or plugins as it opens within the browser.
⚠️ Good to know: When previewing files people will not be able to edit (read-only mode).
How to preview a Office file
Go to View > Document Index.
Select the file you want to preview and select the Item menu.
Select Open in Microsoft Office.
A new window will open displaying the file in the browser.
Supported file types and file sizes