Hi @Barbara E,
Good day and welcome to Microsoft Q&A.
Thank you for sharing your experience with us. Regarding to this error, it could be related to hidden rows/columns, filtered data, incorrect reference, etc. To resolve this error, I would recommend trying the following workaround:
- In your workbook, if filter is applied, click the filter icon (usually on the toolbar or column headers.
- Tap Select All
- Unhide hidden cells temporarily, if available.
- Perform the search.
Please understand that Excel on Android does not perform search across worksheets, it only searches on the currently active worksheet. For the best experience, I would recommend using Excel on desktop which support full workbook search.
I hope this information is helpful. Please follow these steps and let me know if it works for you. If not, we can work together to resolve this. May you have any further questions and concerns or need assistance, please feel free reach out. Thank you for your understanding and co-operation. Looking forward to your response.
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