IT Experts main ye maloom krna chahta hoon k main files ko write protected kesay kar sakta hoon files PDF, MP3, DOC wgera yani har qisam ki files.
IT Experts main ye maloom krna chahta hoon k main files ko write protected kesay kar sakta hoon files PDF, MP3, DOC wgera yani har qisam ki files.
ap file ki properties me ja k use read only kar deen
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