File Repair
Quick Fixes for Excel ‘Data Source Reference Not Valid’ Issue
August 8, 2025| 7 min read
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Summary: The “Cannot paste the data” error in Excel usually occurs when copying and pasting data from one workbook to another. It can happen due to reasons, like clipboard issues, large-sized Excel files, or other problems. Sometimes, corruption in the Excel file creates inconsistencies in data, preventing you to paste the data in the fields in the workbook. In this post, we will discuss the methods to fix this error. Also, we’ll share an easy-to-operate Excel repair tool that can help fix the error if it occurs due to Excel file corruption.
Free Download 100% SecureWhen copying and pasting the cell contents or attributes from one workbook to another, you can encounter the "Cannot paste the data" error. The error indicates that the values you are trying to paste do not match the cell format (Currency, Date, Text, etc.) used in the column. The error can occur if you are attempting to paste information into a merged cell. You can also get this error if the data you are trying to paste contains more columns than the destination worksheet can accept or if the copy area and paste area aren't the same size.
You can experience the "Excel cannot paste the data" error due to one of the following reasons:
The "Microsoft Excel cannot paste the data" error usually appears when copying and pasting data within the spreadsheet. It primarily affects the copy-and-paste feature within the Excel file. However, the impact of this error may vary with the data you are working with. When this error occurs, first try restarting the Excel application. Ensure that you've saved all your important data before restarting the application to prevent data loss. If, after performing this basic step, you still face the issue, then try the following troubleshooting methods.
You can get the Excel cannot paste the data error if the cells you are trying to paste in the Excel file are locked. You can check and unlock the specific cells in the Excel file using the below steps:
Sometimes, you can get the "Cannot paste the data" error in Excel if there is an issue with the formatting of the cells in the column (in which you are trying to paste the data). You can check whether the cell formats of the columns of the source file (from where you are copying data) match the destination file (in which you are pasting the cell data). If not, then change the cell format. Here's how to do so:
The "data cannot be pasted" issue can also occur if Excel detects the copy area of the range of cells is not of the same size and shape as that of the paste area. So, make sure the size of the range of cells for the paste area is same as the copied area. To ensure this, you can try the following:
You can select the upper-left cell instead of the complete range to paste.
The merged cells in the workbook can create discrepancies when copying and pasting data. These can create mismatch between the source and destination cell areas, resulting in errors. Make sure you are not pasting the data copied from merged cells. You can check and unmerge the cells using the below steps:
Sometimes, you can get the Excel cannot paste the data error while copying and pasting data from Excel file to external data sources or applications. It usually appears if you have established DDE links between them. To resolve this, you can uncheck the "Ignore other applications that use Dynamic Data Exchange (DDE)" option. Follow the below steps to do so:
In Excel Options, click Advanced and unselect "Ignore other applications that use Dynamic Data Exchange (DDE). Click OK.
Sometimes, the copy and paste error can occur if you try to move data from an older version of Excel file (XLS) into a newer version file (XLSX) or vice versa. You can try to change or convert the file format to resolve the issue.
Too many items on the clipboard can prevent you from copying and pasting the data. You can empty your clipboard by deleting all clips. To do this, go to Home and click the Clipboard option.
You can get the "Cannot paste the data" error when the information you need to paste does not match the cell format in the column. In such a case, you can change the column's cell format. To do this, navigate to the Home option and then click on the General menu arrow. Then, change the cell format suitable to the type of information you are trying to paste in that column.
The copy-and-paste error in Excel can also occur if there are not enough columns to accept the data that you are trying to paste. You can insert more columns and then try copying and pasting data. To insert additional columns, click on the column heading, click Home, and then select Insert.
Sometimes, incompatible or faulty add-ins can also create conflicts with Excel's clipboard operations, leading to the error. To check if add-ins are causing the issue, open the Excel file in safe mode. In safe mode, if you are able to paste the data, then check and uninstall the incompatible Excel Add-ins.
If the above methods do not work, then corruption in the Excel file could be the cause of the "Cannot paste the data" error. In such a case, you can use Excel's built-in Open and Repair utility to repair the corrupted file. Here's how to use this utility to repair the Excel file:
The Open and Repair utility may not be able to repair your Excel file if it is severely corrupted. In such a situation, the best possible way out is to use a professional Excel repair software to repair the file. You can try Stellar Repair for Excel. It can repair highly damaged or corrupted Excel (.xls, .xlsx, .xltm, .xltx, or .xlsm) file and recover all the objects from the file by maintaining the original formatting. The tool supports 2007 and higher editions of MS Excel. You can download the demo version of the software to preview the repaired objects and verify its functionality.
The "Excel cannot paste the data" error in Excel can occur due to different factors. You can check and clear the clipboard, unmerge the cells, unlock the cells, and use various other methods mentioned above to troubleshoot the error. If you fail to copy and paste the data due to file corruption, then opt for an advanced Excel repair software, like Stellar Repair for Excel. It is a reliable tool that can help you repair highly damaged/corrupted Excel files. It enables you to recover all the objects from the corrupted Excel file, with complete integrity.