Enjoy the local Excel***, which is troublesome and will conflict, and cannot be edited at the same time. Then you need to use the web version of Excel-Thunderbird 365. He has the following characteristics, so that you can enjoy Excel without pressure:

Thunderbird 365 is an excel web version edited by 1 person at the same time, and the data is updated in real time.

Online excel will show the area that everyone is editing and the person in charge of the collaborator to prevent conflicts.

You can set editing and viewing permissions for different worksheets, rows/columns and cell ranges for collaborators.

There are many functions, and there will be gaps when there is contrast.