Jump back to something you were doing with Timeline | Microsoft

It’s easy to forget what we were working on, especially when it was days or weeks ago. Timeline helps you jump back into something you were doing – like working on a document or browsing a website – on any of your Windows 10 PCs.

To get started with timeline, select Task View on the taskbar, or press Windows logo key + Tab, and select an activity.

Learn more with this support article: https://support.microsoft.com/en-us/help/4230676/windows-10-get-help-with-timeline