Even if you find a legitimate “index of” directory from a forgotten university server, the file is likely the version of Office 2016. This version is missing three years of critical security patches. Since mainstream support for Office 2016 ended in October 2020 (and extended support ends in October 2025 ), running an unpatched copy leaves your PC vulnerable to thousands of known exploits.
Excel 2016 introduced integrated Power Query and new charting options, leveraging the 64-bit overhead to handle millions of rows of data with ease. Security and Compliance: Index Of Ms Office 2016 64 Bit
No. Attackers can sign malware with stolen certificates or hide malicious code in otherwise signed installers (via DLL sideloading). Do not rely on visible signatures alone. Even if you find a legitimate “index of”
Some older 32-bit plugins will not work. Excel 2016 introduced integrated Power Query and new
The Architecture of Productivity: An Analysis of MS Office 2016 (64-bit) Introduction