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Installation guide

Microsoft Office Professional 2019 OEM – Phone activation — installation

Updated 2026-07-03

Activation Guidance (Phone)

Activation ensures that your copy of Office is genuine and fully usable. For Office 2019, you can activate using a product key online or, where supported, via telephone activation:

  • Install Office 2019 on your PC.
  • Open any Office app (e.g., Word).
  • You will be prompted for activation — choose “I want to activate by telephone”.
  • Select your country/region to get the correct phone number.
  • Call the provided number and follow the automated instructions.
  • Provide the Installation ID shown on your screen.
  • Enter the Confirmation ID given by Microsoft into the Activation Wizard to complete activation.

**⚠️ Note: Recent changes by Microsoft may transition many activations to online processes; phone activation options can vary by region and support status. Always use the official activation options presented in Office.

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