How to Unshare an Excel Workbook

On Desktop

1. 
   Open Excel. It's a green app with a white "X" on it. To open a shared document that you wish to unshare, you'll need to load the document from OneDrive.
2. 
   Click Open Other Workbooks. You should see it on the left-hand side of the page.

   1. If you've recently opened the document, it will appear on the left side of the page; simply click the version of the document that has "OneDrive" written below it.
3. 
   Click OneDrive. It's a save location on this page.
4. 
   Click the document you wish to unshare. Doing so will open it in Excel.

   1. You may need to click through some folders to navigate to it first depending on where in OneDrive the file is stored.
5. 
   Make sure you've opened a shared document. If the name of the document at the top of the Excel window has "[Shared]" to the right of it, it is currently being shared.
6. 
   Click the Share tab. It's on the far-right side of the Excel toolbar that's near the top of the page.
7. 
   Right-click (or two-finger click) a user. Doing so will invoke a drop-down menu.
8. 
   Click Remove User. This process will remove your selected user from the document's sharing list.

   1. You'll repeat this process for each user in this section.
9. 
   Click the Review tab. It's an option in the toolbar at the top of the Excel window.
10. 
    Click Share Workbook. This option is in the "Changes" section of the Review tab.
11. 
    Uncheck the box at the top of the window. This box is next to the "Allow changes by more than one user at the same time" section.
12. 
    Click OK. Doing so will completely unshare your document and remove any users not manually removed by you.