Excel Workbook Link Repair

I have an Excel workbook with some broken links. The error message reads "Broken link" when trying to link workbooks together. This is a one-off issue that I need resolved.

Key Requirements:
- Skilled Excel professional with experience in repairing broken links.
- Ability to identify the cause of the broken links and provide a solution.
- Good communication to keep me updated on progress and possible solutions.

Please include in your proposal:
- Relevant experience in Excel workbook repair.
- A brief explanation of how you plan to resolve the issue.
- Your availability to begin and complete the task.