To view the hidden files in file manager please follow the below steps:
1: Open the Cpanel with the login details you have received on your registered mail,then click on File manager under FILE section.
2: Click on "SETTING" option you will see on right corner of file manger.
3: Once you click on setting option then a dialogue box will appear.
4: In that you need to check the Box for the root directory of your domain and the show hidden files option.
5: Once you done click on ok then all the hidden files will be unhidden and shown to you in your files.
