.xsig file: how to open it on Windows

21 Windows apps register the .xsig extension. Install one of them to open the file with a double-click.

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  Autofirma

  Simple desktop application for users without knowledge of electronic signatures. Automatically selects the most suitable signature format for the document to be signed and allows viewing the signers and signed document if a signature is provided.

  Open source 1.9 ★ 344
• A
  Altova MissionKit 2026 Enterprise Edition

  Suite of XML, JSON, and SQL tools including XMLSpy & MapForce

  Proprietary 2026.02.00.01
• A
  Altova MissionKit 2026 Professional Edition

  Suite of XML, JSON, and SQL tools including XMLSpy & MapForce

  Proprietary 2026.02.00.01
• A
  Altova Authentic 2026 Enterprise Edition

  XML content authoring tool and document editor for non-technical users

  Proprietary 2026.02.00.01
• A
  Altova XMLSpy 2026 Enterprise Edition

  JSON and XML Editor

  Proprietary 2026.02.00
• A
  Altova XMLSpy 2026 Professional Edition

  JSON and XML Editor

  Proprietary 2026.02.00
• A
  Altova Authentic 2025 Enterprise Edition

  XML content authoring tool and document editor for non-technical users

  Proprietary 2025.02.00.01
• A
  Altova MissionKit 2025 Enterprise Edition

  Suite of XML, JSON, and SQL tools including XMLSpy & MapForce

  Proprietary 2025.02.00.07
• A
  Altova MissionKit 2025 Professional Edition

  Suite of XML, JSON, and SQL tools including XMLSpy & MapForce

  Proprietary 2025.02.00.07
• A
  Altova XMLSpy 2025 Enterprise Edition

  JSON and XML Editor

  Proprietary 2025.02.00.07
• A
  Altova XMLSpy 2025 Professional Edition

  JSON and XML Editor

  Proprietary 2025.02.00.07
• A
  Altova Authentic 2023 Enterprise Edition

  XML content authoring tool and document editor for non-technical users

  Proprietary 2023.02.00.04
• A
  Altova Authentic 2024 Enterprise Edition

  XML content authoring tool and document editor for non-technical users

  Proprietary 2024.02.01
• A
  Altova MissionKit 2023 Enterprise Edition

  Suite of XML, JSON, and SQL tools including XMLSpy & MapForce

  Proprietary 2023.02.00.05
• A
  Altova MissionKit 2023 Professional Edition

  Suite of XML, JSON, and SQL tools including XMLSpy & MapForce

  Proprietary 2023.02.00.05
• A
  Altova MissionKit 2024 Enterprise Edition

  Suite of XML, JSON, and SQL tools including XMLSpy & MapForce

  Proprietary 2024.02.01
• A
  Altova MissionKit 2024 Professional Edition

  Suite of XML, JSON, and SQL tools including XMLSpy & MapForce

  Proprietary 2024.02.01
• A
  Altova XMLSpy 2023 Enterprise Edition

  JSON and XML Editor

  Proprietary 2023.02.00.04
• A
  Altova XMLSpy 2023 Professional Edition

  JSON and XML Editor

  Proprietary 2023.02.00.04
• A
  Altova XMLSpy 2024 Enterprise Edition

  JSON and XML Editor

  Proprietary 2024.02.01
• A
  Altova XMLSpy 2024 Professional Edition

  JSON and XML Editor

  Proprietary 2024.02.01

Related guide: Change the default app for a file type in Windows