The most critical drawback is the security risk associated with third-party "updated" builds. Since Microsoft does not authorize portable versions of its desktop suite, these files are distributed through unofficial channels, such as torrent sites or file-hosting blogs. These environments are notorious for "bundling" malware, keyloggers, or trojans within the compressed archive. By running an unofficial .exe file with high-level permissions, a user may inadvertently grant a bad actor access to their personal data, passwords, and network. From a legal standpoint, these versions also violate Microsoft’s End User License Agreement (EULA), posing a risk for corporate users who may face compliance audits.
If you need a , Microsoft does not officially support that for Office 365. Your legal options are the web apps or third-party free suites above. portable microsoft office 365 highly compressed upd
Downloading a "highly compressed" repack from a random forum carries significant risk. Here is what you might encounter: The most critical drawback is the security risk