For organizations wanting to use the Excel Web Part, "deploying Office Online server is a must," the blog post explained.

For that, you needed Excel Web App and you had to make a choice of which to use. For organizations wanting to use the Excel Web Part, "deploying Office Online server is a must," the blog post ...

The Excel Web App Data Center in SharePoint Online, part of Office 365, needs to be used to support Power View on the new Office 365 preview.

JavaScript isn't replacing Office macros anytime soon, but the Office Web apps (and the SharePoint-based enterprise equivalents) are improving regularly. For users that means simple but useful ...

Microsoft offers a Web version of Excel. But there's an important difference with hosted spreadsheets from competitors like Google and Zoho: it's tied to SharePoint Server and Office 2007. A ...

One thing we have found, is we can upload it to Sharepoint, create a page with a Excel Web Part and they can edit the fields to do their calculations but can’t save the file.