Microsoft has announced that it will start disabling external workbook links to blocked file types by default between October ...

Download TrIDNet, a GUI for TrID that will make it easy for you to Identify unknown file type without extensions in Windows. It also has an online version.

FileTypesMan allows you to view, add, remove edit file extensions and types on Windows 11/10. You can always manually set or change File Associations & Extensions.

Microsoft Outlook uses two file types for holding message, calendar, task and notes data: PST and OST files. PST files are created in the user's computer for non-Microsoft Exchange accounts, which ...