Today’s tip is pretty straightforward. Under Tools – Options – Environment – Documents, there’s the Open file using directory of currently active document. When reading this, it took me a few seconds to think "what’s the open file thingy?" It’s referring to the File – Open – File dialog.
If you have this option checked, then you’ll open to the directory of the currently active document in the editor (the doc with the focus), as shown in the below image.
If you do not have this option checked, then the File Open File dialog directory acts as a MRU (most recently used), opening to the last directory used to open a file.
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