You already know how to get started with the Excel Web App. Using a web browser, you surf to the SkyDrive location where the file is stored, select it, and then click Edit. Once you do, the Excel Web App starts and loads the workbook into a browser window (Figure 26-11).
Figure 26-11. The Excel Web App lets Web surfers edit spreadsheets directly in their browsers, even if they don't have Excel installed. Visually, the Excel Web App looks the desktop version of Excel. Functionally, it behaves like the desktop version (albeit with a reduced set of features). And its speed is surprisingly snappy, even when several people are collaborating on the same worksheet.
At the time of this writing, the Excel Web App could be a bit quirky when loading a spreadsheet for the first time. If you click View or Edit and the web page doesn't appear, try refreshing the page (in Internet Explorer, that means right-clicking the page and choosing Refresh). This step usually solves any problems.
One of the first things you'll notice is that the Excel Web App looks strikingly similar to the desktop version of Excel, but with a drastically cut-down ribbon that features just two tabs and a File button. This resemblance is part of key feature that the creators of the Excel Web App call visual fidelity. Thanks to visual fidelity, what you see on your worksheet always looks the same, whether ...