
I suggest you refer to the result of Lifecycle product search Visio 2019.
The Fixed Lifecycle Policy is designed to take the guesswork out of determining the length of time Microsoft provides support and servicing for a product.
Currently, it says the end of support date for Visio 2019 is 14/10/2025.
As following image which is taken from “Fixed Lifecycle Policy” shown, some products may offer less than 10 years of support. To see the specific support and servicing start and end dates by applicable product, go to the lifecycle product search.
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