how to lock a folder through windows application

How can I lock a folder with windows application ..
I will not be interested in any free or paid tools
just want to know how to make it encrypted through windows application only
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RRobinhoConnect With a Mentor Commented:
To encrypt a folder or file

Right-click the folder or file you want to encrypt, and then click Properties.

Click the General tab, and then click Advanced.

Select the Encrypt contents to secure data check box, and then click OK.

You can encrypt files and folders only on volumes that use the NTFS file system not a FAT file system
John EastonDirectorCommented:
If you right click a folder, then click advanced you can select 'Encrypt Contents'.

I've never used it so can't say much about how it works, but hope this is what you need.
David Johnson, CD, MVPOwnerCommented:
via the command line
cipher /e /s:directory
cipher /e pathname
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locking is not possible with tips and tricks but yes encryption is very well possible.
jjjosefAuthor Commented:
How encryption will be possible ???
jjjosefAuthor Commented:
I have encrypted it, but nothing happened...just changed the name color of folder from black to green
A dialogue box was open for some backup file and it need a password I have enter then it demand a file to export it in a file ...why ???

May be other user cant access it apart from administrator
David Johnson, CD, MVPConnect With a Mentor OwnerCommented:
It encrypted the file and the only user that can access it right now is you. It wanted you to save a backup of the encryption key, in the worst case scenario you will need this to unencrypt the file otherwise the file is lost.

Login as another user and try and access the file.. it will not be accessible.
jjjosefAuthor Commented:
Thanks ve3fa

Could it be possible that it needs password or not accessible in my login also ???
David Johnson, CD, MVPOwnerCommented:
no it will always be available while logged into your account. Otherwise you need a 3rd party application i.e. folderlock
jjjosefAuthor Commented:
Thanks Experts
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