"In an effort to help users protect their most important and sensitive files, Microsoft is adding a new secure storage area to OneDrive called Personal Vault. Personal Vault is a new protected area in OneDrive that users can only access with a strong authentication method or by using a second step of identity verification such as their fingerprint, face, PIN or a code sent via email or SMS." https://www.techradar.com/news/microsoft-improves-one-drive-security-with-new-personal-vault-feature
"...OneDrive Personal Vault that requires another method of authentication to access it, such as a PIN, fingerprint, face scan, two-factor authentication code or Microsoft's Authenticator app. If you have a Windows 10 PC, Microsoft will sync your vault to a BitLocker-encrypted portion of your hard drive. After a period of inactivity (three minutes on mobile and 20 on the web or local hard drive by default), OneDrive will lock up the Personal Vault and you'll have to reauthenticate to gain access again. If you access OneDrive remotely through a browser on another PC, the browser won't save your Personal Vault files in its cache..." https://www.engadget.com/2019/06/25/microsoft-onedrive-personal-vault-security-2fa-storage-increase/
"...Microsoft says the OneDrive Personal Vault is going to launch soon, albeit in Australia, New Zealand, and Canada. Everybody else should have it by the end of the year..." https://www.slashgear.com/onedrive-...-folder-as-microsoft-boosts-storage-25581687/
Microsoft OneDrive Personal Vault rolls out worldwide, launches expandable storage September 30, 2019 https://techcrunch.com/2019/09/30/m...ls-out-worldwide-launches-expandable-storage/