Forum Discussion
File collaboration
Please see below question :- What happens when you have someone in your team, who isn’t using Office 365 (but an older version of Office) and they upload a document to a team-channel? Will you see a...
Hi Wildman1240 ,
As far as I have seen the file format will not change when uploaded to SharePoint.
Whether the file can be viewed in the online versions of Office is then done to the supported versions of Office in the Online versions.
Users opening the file in the desktop client version of Office will be able to, if their version of Office can open the version of the file.
Andy
Keep in mind that the old doc format does not support the newer features like auto save, co-authoring etc