All Document Viewer: It supports a variety of file formats, including PDF, DOC, XLS, and PPT. Use All Document Viewer to easily view and manage all your files. Whether it's a report for work, a textbook for study, or an e-book for fun, All Document Viewer provides a convenient and fast way to access them. [Feature Highlights] Read and view various files • Supports multiple formats (PDF, Word, Excel, and PPT) • File renaming • Search by keyword in the file name Multiple PDF editing tools • Add handwritten annotations • Supports text highlighting, underlining, and strikethrough • Annotation feature to highlight important content PDF scanning • Scan documents with your camera • Convert physical files to PDFs Multiple PDF managers • Convert images to PDF and use edge recognition to convert Word to PDF • Merge multiple PDFs into a single file • Split large files into smaller ones • Encrypt and decrypt, and password-protect important documents If you have any qu...