Unable to Load Headers from the XLSX Data Source During Import<!-- /*NS Branding Styles*/ --> .ns-kb-css-body-editor-container { p { font-size: 12pt; font-family: Lato; color: #000000; } span { font-size: 12pt; font-family: Lato; color: #000000; } h2 { font-size: 24pt; font-family: Lato; color: black; } h3 { font-size: 18pt; font-family: Lato; color: black; } h4 { font-size: 14pt; font-family: Lato; color: black; } a { font-size: 12pt; font-family: Lato; color: #00718F; } a:hover { font-size: 12pt; color: #024F69; } a:target { font-size: 12pt; color: #032D42; } a:visited { font-size: 12pt; color: #7057C7; } ul { font-size: 12pt; font-family: Lato; } li { font-size: 12pt; font-family: Lato; } img { display: block; max-width: ; width: auto; height: auto; } } Issue: When importing data from an XLSX file into ServiceNow tables, users encounter an error stating “Unable to load headers from the XLSX data source.” Root Cause: This issue often occurs due to one of the following reasons: The XLSX file contains hidden metadata or formatting issues that prevent proper parsing.The file was generated in a way that does not conform to standard Excel structures.The headers in the XLSX file might be corrupted, improperly formatted, or missing. Solution: To resolve this issue, follow these steps: Download the XLSX File to your local PC.Open the file in Excel and save it again (without making any changes).This ensures the file structure conforms to standard formatting.Delete the original file from the ServiceNow data source.Upload the newly saved file into ServiceNow.Perform a test load with 20 records to validate the fix.Share the results with the support team for further analysis if the issue persists. NOTE: If the steps above do not resolve the issue, verify whether the Excel file has sensitivity labels enabled. In Microsoft 365, sensitivity labels are used to classify and protect documents based on their intended audience. Labels such as Public, Internal, Confidential, or Highly Confidential define the level of access and protection applied to a file. Public: Accessible to anyone.Internal: Restricted to users within the organization.Confidential: Intended for a specific group with limited access. These labels can be applied manually by users or automatically through policies configured by administrators. When enabled, sensitivity labels may enforce specific security rules that could affect how the file is accessed or processed.