It would be nice for links between spreadsheets on my One Drive to work.

Our group just recently started using OneDrive for collaboration of an Excel document that we use on a daily basis. However, when trying to edit the document in the Browser, only one color can be applied to a cell. When using Excel in a local file, you can have more than one font color in a single cell by highlighting the targeted words in the cell and then choosing a different color.

Recommendation: Make it possible to have multiple colors in a cell when editing an Excel document in browser like you can do in a local file.

Allow users to manipulate data through drop down lists and view the file.
The online version of Excel doesn't allow the drop-down box option to work in files in Read Only mode.

-- Updating title to make it more clear
[Excel on Web Admin]

Currently, there is not the ability to lock certain cells in a document online, while also being able to edit others in the same sheet. It would help a ton if there was a way to lock specified cells in a sheet and also be able to edit unlocked cells in the sheet when editing online.

In Excel hitting Ctrl Y on the keyboard is the command you can use to create multiple new lines in a spreadsheet. In Excel online the Ctrl Y combination means "redo" Making commands like this between the two would be helpful.

Please allow Filtering & Sorting by color, like the PC version

As with the 'offline' version, be able to protect sheets/workbooks and allow editable ranges.
Excel Online defaults to protecting the entire sheet,
As shared excel files/reporting are a large part of the new apps (MS Teams) it would make sense that this feature is included in the Online Excel version.

Generate the baility to multi user edit concurrently on the same file for both Excel online and application. Currently there is no true multi user editing as anytime a file is accessed even with multiple users enabled it still locks the file and cannot be edited by others.

Like the desktop version, when a formula is being edited (F2), highlight with colors the other cells used in the formula.

like other email websites (gmail, etc), excel online should also have feature to open password protected files without download to the pc, it should be open online by entering the file password

When editing an Excel Online documents, hitting [ENTER] will drop you down to the next row, same column. Generally hitting [ENTER] will return you to the next row, but in the column your previous modified cell was in.

Multiple text color in current excel online is unavailable.
The multiple color text will ease the editing & online coworking experience, especially in emphasizing a point without turning everything into the same color.
Really hope to see this improvement updated soon.

Currently, when you cut and 'insert' rows, it pastes over existing rows and information. The insert function should insert the rows and move the existing rows down.

Dark theme for both spread sheets and menu will be very beneficial to protect our eyes as well as save laptop batteries. Just for printing you may have to reverse the colors to normal mode.

Generate the ability for multiple users to edit documents in Excel online and application where the users can filter for their screen only. This would allow for greater collaboration as multiple pieces of a project can be worked on in the same document without each users view being altered by one users filter.

It would be really nice if we could create and edit custom rules for Conditional Formatting in Excel Online, similar to how we can in the Desktop version of Excel.

While editing a excel file on team it mentions someone else has it locked but it doesn't tell you who so please add the userID of the user that has locked the file so it can be contacted to continue working.

Stop the Autofill in excel online.
Just give us a button to turn it on or off. I can see how it can be useful, but where I work it's usually just a hindrance and ugly.

When using Google Sheets to collaborate there is a filter view that allows you to set a filter view that only you see. This is very helpful when multiple people are in a file and you don't want to mess with the view everyone else is in. Something similar would make online excel much more user friendly.