Use Old Office Formats
From SAP Enable Now Wiki
Where to find it
- Tools > Settings menu > Producer > General > Use Old Office Formats setting
Purpose
By default, generated output documents (such as the Standard Document will be generated as .pptx / .docx files. If you select this checkbox then they will be generated as .ppt / .doc files. This may be necessary if you have a reeeaally old version of Microsoft Office (pre-2003) installed.