Remove Excel Password Protection – Unlock Open & Modify Passwords Instantly

Automate the removal of open and modify passwords from Excel files using our robust REST API. Ideal for enterprise data pipelines, document management systems, or migration workflows. Supports batch processing, secure authentication, and all Excel formats. Try it free today.

Unprotect Spreadsheet API

API Endpoint

PUT http://api.aspose.cloud/v4.0/cells/unprotection/spreadsheet

Request Parameters:

Parameter Name Type Path/Query String/HTTP Body Description
Spreadsheet File FormData Upload the spreadsheet file to be unprotected.
password String Query The encryption password for the spreadsheet file.
modifyPassword String Query The password required to modify the protected file.
outPath String Query (Optional) The folder path where the unprotected workbook will be stored. Defaults to null.
outStorageName String Query Specifies the output file storage name.
region String Query Defines the spreadsheet region settings.

Response

[
    {
        "Name": "ResponseFile",
        "DataType": {
        "Identifier": "File",
        "Reference": "Stream",
        "Name": "file"
        }
    }
]

Error Codes

  • 400 Bad Request: Invalid Aspose.Cells Cloud API URI.
  • 401 Unauthorized: Invalid access token. Or invalid client id and secret.
  • 404 Not Found: The spreadsheet file not accessible.
  • 500 Server Error: The spreadsheet has encountered an anomaly in obtaining calculation data.

Where should we use the Delete Spreadsheet Blank Columns API?

  • Clean Data for Accurate Reporting – Automatically remove blank columns from Excel sheets to ensure clean, structured data for dashboards, analytics, and business intelligence tools.
  • Optimize File Size & Performance – Reduce spreadsheet bloat by deleting unused columns, improving load times and compatibility—especially critical for large datasets or cloud-based workflows.
  • Prepare Data for Import/Export – Streamline ETL processes by eliminating empty columns before importing into databases, CRMs, or ERP systems to prevent schema errors.
  • Enhance Template Consistency – Standardize financial, inventory, or project templates by auto-cleaning extraneous blank columns across user-generated spreadsheets.
  • Improve Automation Reliability – Ensure downstream scripts, macros, or APIs process only relevant data by pre-cleaning spreadsheets of invisible or trailing empty columns.

Why should you use the Delete Spreadsheet Blank Columns API?

  • Developer-Friendly: Aspose.Cells Cloud offers SDK libraries in multiple languages, enabling quick development and comes with comprehensive documentation. Compared to building custom chart rendering solutions, this significantly reduces the development workload.
  • Reduced Labor Costs: Reduced the need for positions dedicated to document consolidation.
  • Pay-per-use: No upfront investment, only pay for API calls actually used.
  • Zero Maintenance Costs: No need to maintain servers, update software, or deal with compatibility issues.
  • Preserves complex Excel formatting in universally accessible PDF format.

How to Use the Delete Spreadsheet Blank Columns API with SDKs

OpenAPI Specification

The OpenAPI Specification defines a publicly accessible programming interface, enabling you to perform REST interactions directly from a web browser.

Use Aspose.Cells Cloud SDKs

Using the SDK is the best way to accelerate development. The SDK handles the underlying details, allowing you to simply implement delete spreadsheets blank columns for cells with minimal code. Please check out the GitHub repository for a complete list of Aspose.Cells Cloud SDKs.

The following code examples illustrate how to call Aspose.Cells web services using various SDKs: