# Introduction Invantive Support Assistant is a product to simplify support by Invantive for eligible licenses. Invantive Support Assistant is available on Microsoft Windows only. The following functionality is available: - [Re-enable an Invantive add-in](invantive-support-assistant-re-enable-invantive-office-add) on Microsoft Office. - [Reset the contents](invantive-support-assistant-reset-invantive-keychain) of Invantive Keychain (pre-2022 versions).