If you don't want PDF files to be converted to other formats, you only need to set an editing password.
First open the PDF file with Speedpdf Editor, select "Security" in the upper right corner of the menu bar, then check "Set permission encryption" in the pop-up encryption window and uncheck the "print" below, click OK, Save the document again, then the PDF document cannot be printed,
You can either make it a PDF or mark it as Read Only.
you cant obviously
People can get access or modify your files.
you ask jesus
So other people cannot delete your work and change whats on your computer.
Answer: Chick tika masala.
It means that the file is protected so that you can't modify it
use a password dont read any spam from emails
confidentiality
keep it in your pocket
Making a backup
1. Keep Data Secure:It is important to make sure your files are modified because it will stop people from changing or deleting your work. The solution for this is to make regular backups of files, use anti-virus software and store files on removable disks.2. Read Only Files:Having read only files stops you or someone else from accidently modifying your documents.To do this, you need to:1. Open you file, click on the Microsoft Office Button, then save as.2. Click on tools, then general options.3. Click on Read-only recommended.4. When you re-open your document it will be in read-only.
back ur files up on a memory stick or a external hard drive