If you have a personal subscription, you can get the installer directly from your Microsoft Account Dashboard.
A true does not exist as most people imagine it. The closest legitimate solution is the Office Deployment Tool creating a local offline installation source. Users seeking a single-file, no-internet, no-subscription installer are fundamentally misunderstanding how Microsoft 365 is licensed and delivered. For offline installation needs with proper licensing, the ODT method is safe, flexible, and Microsoft-supported. For a truly standalone, perpetual product, one must use the non-subscription Office LTSC or a third-party office suite. office 365 standalone installer
The term is widely searched but technically misleading. Unlike traditional software (e.g., Office 2019 or 2016), Microsoft 365 (formerly Office 365) is designed as a subscription-based, continuously updating service. It does not have a traditional, one-time, offline standalone installer. Instead, Microsoft provides the Office Deployment Tool (ODT) —a flexible command-line utility—to download and install Microsoft 365 Apps locally, effectively creating a custom offline installer. If you have a personal subscription, you can