"There is no item named 'xl/sharedStrings.xml' in the archive"

This error message typically appears when attempting to open a Microsoft Excel file that is corrupted or damaged. The "xl/sharedStrings.xml" file is a key component of an Excel file that stores text and other data used throughout the document.

To resolve the issue, you can try the following steps:

1. Try to open the Excel file on a different computer or device to see if the issue is specific to your current device.

2. Try to open the Excel file in a different version of Microsoft Excel to see if the issue is specific to a particular version.

3. If you have a backup of the Excel file, try opening that instead.

4. Use a file repair tool or recovery software to repair the corrupted Excel file.

5. If none of these steps work, you may need to recreate the Excel file from scratch or from a previous version.