Stop risky email attachments and downloaded executables from running on protected machines.
14 features
Blocks attachment uploads from third-party desktop mail clients - Thunderbird, Postbox, Mailbird, eM Client, Foxmail and The Bat! - by clearing queued attachments and capping the allowed attachment size to almost nothing. Fully reversible.
Blocks Gmail attachment downloads in Chrome and Edge. This covers the browser only - downloads through other tools or the Outlook desktop app are not affected.
Records operator intent that ARCHIVE-class file attachments should be blocked on this PC.
Records that executable-type email attachments should be blocked on this PC, covering the standard set of high-risk file types such as programs, scripts and installers.
Blocks outbound email data leaks by closing the standard mail-sending and mail-sync channels and disabling attachment uploads in the Outlook desktop app. Stops both webmail and desktop mail clients from sending data off the PC.
Whitelists Google Drive's own apps (installer and sync client) so the live installer-guard doesn't mistake them for blocked setup files.
Blocks file uploads to Google Drive on the web across Chrome, Edge, Brave, Vivaldi and Opera, including the insert-image/file picker in Docs, Sheets and Slides.
Blocks web uploads to OneDrive personal, OneDrive for Business and SharePoint Online tenants, plus the new Outlook-on-the-web upload path.
Blocks file uploads to Dropbox on the web and its upload API. The desktop Dropbox client is handled separately.
Blocks sending documents, photos and videos through WhatsApp Web by cutting off its media-upload servers.
Blocks sending files, photos and videos through Telegram Web, including drag-drop and pasted screenshots.
Blocks attaching files in Gmail on the web, including drag-drop and pasted screenshots.
Only lets users upload PDF files from the browser - any other file type is cancelled at the file picker across every browser.
Only lets users upload image files (JPG, PNG, GIF, WebP and more) from the browser - anything else is cancelled at the file picker.