The back arrow on a toolbar typically allows users to navigate to the previous page or screen they were viewing within an application or web browser. It helps users retrace their steps without needing to manually search for the previous content. This feature enhances user experience by providing a quick and intuitive way to return to earlier information or actions.
I used to puss Back button present in left corner of window with arrow sign
Click the green arrow on the toolbar
Ctrl + F11 = Toolbar
If it is on Microsoft Word you just press undo up in the toolbar a little curved arrow pointing left
Customize Quick Access Toolbar
at the top left corner, the left arrow button
Right click on your toolbar and click on the email option
On the drawing toolbar, go to autoshape->connectors, and the double arrow is in there.
on the google toolbar click the down arrow or click the down arrow on the very right close to the top
In help window you have a toolbar there. Search for an blue arrow pointing towards left.
When a toolbar button has an arrow next to it, it typically indicates that there are additional options or a dropdown menu associated with that button. Clicking the arrow will reveal more choices or settings related to the primary function of the button. This design helps save space on the toolbar while providing users with access to advanced features or variations of the tool's function.
Maybe your navigation toolbar is off try it. Go to View. Then toolbar then find the Navigation tools bar button