Step 3: In the Troubleshooting Information window, go to the upper right where it says Give Firefox a tune up and click on Refresh Firefox. Let’s see how to reset individual browsers and clear their cache. Whether you are using Microsoft Edge, Chrome, or Internet Explorer, you should reset the browser settings to restore them to their original state, that is, to the state when the browser was first installed on your PC.

Resetting the browser and clearing the cache can be a quick solution for the Excel Online not working issue. Method 4: By Resetting the Browser and Clearing Cache Try splitting the file into more than one file to lower down its size and then try working in Excel Online Mode. You may face issues if the file you are working with is too large on Excel Online. Try downloading the file and then re-uploading it to OneDrive.

Try opening Excel Online in a different Browser such as opera or Mozilla firefox.

Method 5: By Setting Default File Opening Behavior.

Method 4: By Resetting the Browser and Clearing Cache.

Internet not working in chrome