Open Office is an office suite application available free of charge for a number of different computer operating systems. It supports the OpenDocument standard for data interchange, which Microsoft has attempted to supplant with the OOXML format. (Do not confuse the Open Document and OOXML formats.)
Outlook is a personal information manager from Microsoft, and is part of the Microsoft Office suite. It is mostly used for email.
Open Office is an office suite application available free of charge for a number of different computer operating systems. It supports the OpenDocument standard for data interchange, which Microsoft has attempted to supplant with the OOXML format. (Do not confuse the Open Document and OOXML formats.)
Outlook is a personal information manager from Microsoft, and is part of the Microsoft Office suite. It is mostly used for email.