I am trying to sync my Firefox on a Windows 10 PC with Firefox on a Windows 10 laptop. On the PC, I have 43 tabs open. When I sync the PC and laptop, not all tabs are shown on the laptop. Both have "open tabs" checked in the sync settings. If I look at the sidebar on the PC, showing the "synced tabs," only 20 tabs are listed. This explains why the other 23 tabs are not synced. But why aren't they synced? I can't find anything telling me there is a limit on the number of tabs that are synced, or how I can elect which tabs to sync. If I look in the sidebar at "history," it does show searches on both the PC and laptop that were made on the PC and are shown in tabs on the PC that aren't synced. Can I have the sidebar display all tabs, and not just the synced tabs?