Opening a Deleted Chart on MT4 Software
On the MT4 Platform when trading if you get to delete a chart or open one that has been deleted unintentionally, you can use the option of 'Open Deleted' located on the file dropdown menu as the third option on this list.
For examples if you had opened a EUR USD and had put a set of indicators on this chart, but you had not saved this set of indicators, then you can just use this option to open the charts named EUR USD, note there might be 2 or 3 or more of the deleted EUR USD on the list and you will have to open each until you get the one that you are looking for. Like the example below there are 2 EUR USD deleted charts.
For examples by clicking open the deleted chart of EUR USD will open this deleted chart that had been closed previously.
Procedure of opening a deleted chart from the MT4 "File" Drop down navigation menu.
If you have deleted many trading charts this list will include all of these charts & they will be arranged from the most recent onwards, and as a trader you might have to scroll either up or down in case there are many deleted ones saved within this option.