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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]
Office File Validation, previously included only in Publisher 2007 for PUB files has been incorporated into Excel, PowerPoint, and Word in Office 2010 to validate the integrity of proprietary binary file formats (e.g., DOC, PPT, and XLS) introduced in previous versions of Microsoft Office.
Any file containing an executable program file that is currently running on the computer system as a program (e.g. an EXE, COM, DLL, CPL or other binary program file format) is normally locked by the operating system itself, preventing any application from modifying or deleting it. Any attempt to do so will be denied with a sharing violation ...
Office Open XML (OOXML) format was introduced with Microsoft Office 2007 and became the default format of Microsoft Word ever since. Pertaining file extensions include:.docx – Word document.docm – Word macro-enabled document; same as docx, but may contain macros and scripts.dotx – Word template.dotm – Word macro-enabled template; same ...
Microsoft Word is a word processing program developed by Microsoft.It was first released on October 25, 1983, [12] under the name Multi-Tool Word for Xenix systems. [13] [14] [15] Subsequent versions were later written for several other platforms including: IBM PCs running DOS (1983), Apple Macintosh running the Classic Mac OS (1985), AT&T UNIX PC (1985), Atari ST (1988), OS/2 (1989 ...
Microsoft Office 2021 (third release codenamed Office 16) is a version of the Microsoft Office suite of applications for the Microsoft Windows and macOS operating systems. It was released on October 5, 2021. [ 6 ]
It uses encryption and a form of selective functionality denial for limiting access to documents such as corporate e-mails, Microsoft Word documents, and web pages, and the operations authorized users can perform on them. Companies can use this technology to encrypt information stored in such document formats, and through policies embedded in ...
Present versions of Microsoft Word have introduced a new format MS-OOXML. This may make it easier for competitors to write documents compatible with Microsoft Office in the future by reducing lock-in. [citation needed] Microsoft released full descriptions of the file formats for earlier versions of Word, Excel and PowerPoint in February 2008. [6]