By default, Windows doesn’t allow to create folder name starting with dot(.), because by default Windows system is considering the name starting with dot(.) as a file extension. If you try to create, then Windows will display the below error.
But using Windows DOS commands [command prompt] you can able to create a folder with the name starting with dot(.)
How To Create Folder Name Starting with dot(.) in Windows:
Step 1: Open Command Prompt in Windows. Open Run window [Windows key + R] and type cmd and hit Enter. or Press Windows Key + X and Open Command Prompt.
Step 2: Now navigate to the path in which you want to create folder name starting with dot(.)
Step 3: Now type mkdir<space>.FolderName
Eg: mkdir .TechToLead
This command will create the folder named as .TechToLead as shown in the screenshot.