To add a new workbook:
To open a recently saved workbook:
Select File – > Recent Documents section.
To open a linked workbook:
Select the cell with the linked formula, and press Ctrl+[.
1. Select Data -> Edit Links to Files dialog box (in Manage Connections Group)
2. Select the linked workbook and click Open Source.
? To prevent a macro from running while opening a workbook:
Press the Shift key while opening a workbook.
To close a workbook:
Select File -> Close.