Windows 10: OneDrive - How to save Office 365 documents online only?

Saving files to OneDrive will usually result in a copy in the \OneDrive folder on the HDD.
I am seeking a way to store Word/Excel documents within a OneDrive folder but only online, no copy on HDD.

Within (for example) Excel, with an open document, I would go for File > Save As...
Then there is a OneDrive option, which will, I assume, result in storing a local copy of the file, within \OneDrive, BUT there also seems to a be 2nd option requiring a login.

What is the difference between these two?
Is what I want (online storage of Office documents) possible?

Thanks.

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:)

 

Office Documents saving to OneDrive when told to save to C: since recent Win10 update

Since the recent really big and long windows 10 update all my office applications (Word, Excel, PowerPoint) save new or save-as to OneDrive even though I select the folder path C:\users\<name>\Documents\...... there is then a delay while it saves the document.
Then OneDrive says it's 'downloading x of y kB, 1 file remaining' as it downloads the file again off the OneDrive backup onto C:\. This is very annoying and frustrating. I've tried all the combinations of settings in File|Options|save about not showing backstage
stuff, saving to PC, etc. but nothing stops this. This MUST be a bug introduced by the update as nothing else has changed and it MUST be a bug because I tell it to save to C:\ but it flatly refuses and goes and saves it to OneDrive. It also says that in the
File Properties, and the 'Recent' list. Please can someone tell me when this will be corrected or an interim workaround?

Moved From: Office / OneDrive with Office / Windows 10 / Office 365 Home

 

OFFICE 365 SAVE AS option

What has happened to the Save As option on Word in Office 365? Saving a copy doesn't work at all, so I've wasted a whole day ensuring that I save a copy then go in to amend the document, save it under another name, and it still did not amend the document
until I pressed on the Save icon. The same applies to all Office 365.

Many thanks.

 

difference in onedrive documents and office live documents

Been using Office 365 for years. also using win10home. What is the difference in "OneDrive Documents" and "office live documents"?