ISSUE:
When you select the option to activate Office by telephone, you may see the following error:
Telephone activation is no longer supported for your product.
Note: This issue impacts Office non-subscribers only—those who purchased the product as a one-time purchase. For more information, see What’s the difference between Office 365 and Office 2016?
STATUS: WORKAROUND
To work around this error, use the following phone numbers to activate Office.
If a phone number isn’t working, please leave us a comment using the Was this information helpful? section at the bottom of this topic and include the phone number and country/region of the non-working number.
| Country/Region | Mobile or Toll | Toll-Free |
| Switzerland | (41) (44) 580 7558 | 00 800 22848283 |
Other number : https://support.office.com/en-us/article/-telephone-activation-is-no-longer-supported-for-your-product-error-when-activating-office-9b016cd2-0811-4cb3-b896-5a6a13177713