As you can see it does not support Edit cells. Also, F2 will not work and depending on the field type and the content you want to modify it seems it is not possible to edit as it throws options like Listbox. 

 If I use FILTER, it is not possible to add replacement. So, replacement is not like Excel. Should we use code inside another filed not FILTER? 

Can you send us an image please? You can manually export any Airtable view as a CSV file. Simply click on the view name in the toolbar and choose “Download CSV”.

I do not get it. Airtable can not export table into SQL or CSV?

The field is converted into checkbox by Edited field:How to add SMTP inside AirTable as there is a checkbox Send Email?