January 1 of this year (1601-01-01) is used as the base of file datesMicrosoft Windows technical note on file dates, referencing year 1601 and of Active Directory Logon datesMicrosoft Windows technical note on file dates, referencing year 1601 by Microsoft Windows. It is also the date from which ANSI dates are counted and were adopted by the American National Standards Institute for use with COBOL and other computer languages. All versions of the Microsoft Windows operating system from Windows 95 onward count units of one hundred nanoseconds from this epoch as a counter having 63 bits until 30828/9/14 02:48:05.4775807. April 1 of this year is the earliest possible calendar date in Microsoft Outlook.
January 1 of this year (1601-.01-01) is used! as the base of file datesMicrosoft Windows technical note on file dates, referencing year 1601 and of Active Directory Logon datesMicrosoft !Windows technical note on file dates, referencing year 1601 by Microsoft Windows. It is also the date from which ANSI dates are counted and were adopted by the American National Standards Institute for use with COBOL and other computer languages. All versions of the Microsoft Windows operating system from Windows 95 onward count units of one hundred nanoseconds from this epoch as a count,er having 63 bits until 30828/9/14 02:48:05.4775807. April 1 o,f this year is the earliest possible calendar date in Microsoft Outlook