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In Excel and Word 95 and prior editions a weak protection algorithm is used that converts a password to a 16-bit verifier and a 16-byte XOR obfuscation array [1] key. [4] Hacking software is now readily available to find a 16-byte key and decrypt the password-protected document. [5] Office 97, 2000, XP and 2003 use RC4 with 40 bits. [4]
File locking is a mechanism that restricts access to a computer file, or to a region of a file, by allowing only one user or process to modify or delete it at a specific time, and preventing reading of the file while it's being modified or deleted.
Software development of the LibreOffice core therefore normally benefits the source code of Collabora Online server and all of the client apps simultaneously. [ 12 ] [ 13 ] The apps work offline without the need for a connection to a local server or the cloud, support for integrations with cloud storage services is still possible.
Some features of the software include, but are not limited to: [5] [6] Merge multiple PDF into one file; Rotating, extracting, inserting pages; Integrated preview for PDF editing; PDF encryption, decryption and signing; Change PDF information (author, title, etc.) Compress and shrink PDF files; Add a watermark or stamp a PDF file; Combine pages ...
It uses the Ghostscript file format converter and RedMon printer redirection software. [5] According to its documentation, PrimoPDF has the following features: PrimoPDF supports creation profiles (Screen, eBook, Print, Prepress, and Custom) to determine file quality, resolution, and size. Can append output to an existing PDF file.
Cannot edit PDF Files. [3] Smallpdf Desktop: Proprietary: Yes Yes Yes Yes Supports merging, splitting, and extracting pages from PDFs. Also rotating, deleting and reordering pages. Converts PDF to Word, Excel, PowerPoint, raster images. Soda PDF: Proprietary: Yes Yes Yes Modular PDF software. Solid Converter PDF: Proprietary: Yes Yes Yes