2. Click the "Add Excel File(s)" button to add files. Then an open file dialog will appear, hold CTRL or SHIFT key to select multiple files. To add all files in a folder, click "Add All Excel Files in Folder" then select a folder.
3. Checking the "Make backup of excel files and put backup in same folder" if you want to backup before it is being modified.
4. To start adding hyperlinks on selected files, click "Add Links" button.
Tips & Guides Related to How to Add Hyperlinks In Multiple Excel Files?
How to Remove (Break) File Links In Multiple Excel Files
Delete links to external files in one or more MS Excel files. This will eliminate the message: "This workbook contains links to other data sources. If you update the links, Excel attempts to retrieve the latest data. If you don't update, Excel uses the previous information." Excel 2000 or higher required.