Microsoft Office 2016 Pro version (

Office version error

Is your Microsoft Office version starts with 16.0.4266? Microsoft Office 2016 Pro version (16.0.4266) is a version released in November 2015, and may not have received updates since installation. To ensure a seamless installation of totle, manual updates are necessary. Please follow the steps outlined below for the update process.

How do I check my Office version?

  1. Click File in the Outlook top menu.

  1. Click the Office Account located in the lower left corner.

  1. In the right pane, click on About Outlook .

  1. You can check your Outlook version here.

You can check the name of the product you are using on the subscription product.

  • In the Product Information, you can verify the product name you are using

(e.g. Microsoft 365 ProPlus or Office Home and Student).

  • On the About Outlook information window, you can check the detailed installation information such as the version number and build numbers.

  • If the version information starts with 16.0.4266, please manually update your Outlook via the link below.

  • Please make sure to close Outlook before proceeding with the manual update.

For MS Office 32-bit

For MS Office 64-bit

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