Edit Columns Permit For Free

Delete a site column from SharePoint Select Settings, Site information, and then View all site settings.Under Web Designer Galleries, select Site columns.Scroll to the site column you want to delete and select the name. Select Delete. If you're sure you want to delete the site column permanently, select OK.

Open the site in SharePoint designer, Go to List & Libraries, Click on your library. Click on Edit columns under Customization >> Double click on the column which you want enable Rich Text functionality >> select the checkbox which says Rich Text and hit OK and then Save.

Edit one or more items in a list view Navigate to the site containing the list where you want to edit an item. Select the name or title of the list. Select the circle next to the item you want to edit, right click, and then select in the dropdown.In the list item, edit the information you want to change. Click Save.

There's no feature to restricts users from editing certain columns in SharePoint online. Permissions are set on the list or library level, not any lower to things like columns or views. Thanks for understanding.

To modify a column, click the column in the list, click Modify, and then make the appropriate changes. Note: Some options for adding, removing, or modifying columns are available only when you publish to a SharePoint site.

Click the arrow next to the column that you want to change, and then select Column settings. In the menu, select the change that you want to make, such as formatting the column, moving left or right, hiding, or adding a column .

You can go to List Settings>Column Settings> Choose the column you want to edit, check if there is an option for you to change the column type in the settings.