Which file types can I view and edit with Office in Koofr?

You can edit any Word, Excel or PowerPoint document in Office Open XML (OOXML) format. This includes all documents with .docx, .xslx and .pptx extensions, and their corresponding template files. Older, binary document formats, such as .doc, .xls and .ppt, can be viewed, and, if editing is needed, converted to the new OOXML format.

You can view these formats You can view and edit these formats
Word .doc, .docm, .dot, .dotm, .rtf .docx, .docm, .odt
Excel .xls, .csv .xlsx, .xlsm, .xlsb, .ods
PowerPoint .pot, .potm, .potx, .pps, .ppsm, .ppt, .pptm .pptx, .ppsx, .odp