On the contrary, if you install Office from a Volume ISO file, this is optional so just skip it if you want. If your Office is got from Microsoft, this step is required. One of them will be not executed and an error message will be printed on the screen.
You visit here to know How to open iso file. All files are ISO file, so you need to extract them. Mainstream support ends on October 13,and extended support ends on October 14, The perpetually licensed version on macOS and Windows was released on September 22, Since its successor Office only supports Windows Server or Windows 10, this is the last version of Microsoft Office compatible with Windows 7, Windows 8, Windows 8. Microsoft Office codenamed Office 16 is a version of the Microsoft Office productivity suite, succeeding both Office and Office for Macand preceding Office for both platforms.