Excel online doesn't allow users to filter without filtering the document for all rest of users. This is a key feature for shared documents so every user can filter and modify only the desire information without having to scroll or search.
Also Excel online currently doesn't handle medium/big files. Files with 2.700 KB take long time to open and don't work well.

Without Filter View, collaborators are constantly seeing their view change as other collaborators filter on their work. This makes what could be a much needed file unusable for more than 2-3 users. In our team of 20+, users have to save local copies to even work with the file. At that point, there isn't much value and its more of a headache than anything. Private filter views where collaborator can work on the document without other users impeding their progress is absolutely necessary

Link automatically open in Excel online which doesn't work for many documents that have macros or are over a certain size. Give an option to open in Desktop Excel or just download the file instead without having to waste time trying to load it in Excel Online.

Desktop Excel is great, spreadsheet edit within SharePoint is TERRIBLE. I suggest ALWAYS opening .xls* files within the desktop app. Why even try to provide functionality within SharePoint?

Allow the user to pin a folder in Office 365, either their own or a shared folder.

need to link excel files (fields) online for active, real-time team collaboration

Make a Save As button on top when you open it online. So its easy to download/save rather than open in desktop and then save

Freezing should not be restricted to single row or columns. user can select as many as they can depending on thier choice of requirement

Hello, we work with Onedrive and share data. Here and there I need to copy data from multiple Excel files on Onedrive to another one. Excel online is not always my first choice and I like to have an option for opening the files always in Excel application; choice for session is preferred.

Hope you can add a feature to prevent other users deleting the sheets in the workbook.

I would like the ability to lock down cells after editing a shared workbook. This way if another user wants to edit those cells it would be a two step process to unlock the cells and edit the values a second time.

I'm getting the "Unsupported Features There are some features in your workbook that we can't show in the browser" message suddenly when trying to open our file in Excel Online.... Nobody has added any of those features to the file, and I can't seem to figure out how to check any of those compatibility issues :( Our whole project is locked up until we can solve this... Please advise ASAP

Currently, when I try to edit an Excel spreadsheet online (shared with other users), I can't edit it because somebody else is using it. However, I have no idea who that person in the office is. It would be great if Sharepoint stated who the user is so that I go and talk to them to resolve the issue.

In the interim, I guess I'll just use Google docs wherever possible.

It needs to be able to send file to waypoint

Only being able to use data that is in a table, or having to create a table in order to use that data, is incredibly restrictive and frustrating.

If we HAVE to use tables for Flow, then we really need a way to dynamically determine the range in order to create those tables.

Ideally, we could just use a JSON object instead that mimicked how Range objects function in VBA.