Locked PDF File
General Information
| Title | LPDF File Extension |
| Extension | .lpdf |
| Full Form | Locked PDF File |
| File Type | Document File |
| Developer | Various |
| MIME Type | application/pdf |
File Function
| Primary Function | Secure document |
| Additional Functions | Read-only format |
| Features | Encrypted, Password-protected |
File Characteristics
| Quality | High |
| Supports Layers | Yes |
| Supports Transparency | Yes |
| Editable | No |
Use Cases
| Confidential Documents | Yes |
| Legal Forms | Yes |
| E-books | Yes |
Security and Practices
| Security Risks | Phishing, Malware |
| Best Practices | Secure passwords, Regular updates |
Historical/Version Information
| Initial Release | Varies |
| Latest Version | Depends on software |
Associated Types
| Similar Extensions | .pdf, .pdc |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 Adobe Acrobat Reader |
Free | Windows, Mac, iOS, Android |
 Foxit Reader |
Free | Windows, Mac |
| PDF-XChange Viewer |
Free, Paid | Windows |