Thank you for being interested in the officeatwork Apps and Add-ins.User AccountTo run our officeatwork Apps, you need either a Microsoft 365 Organizational account or a personal Microsoft account.Important: for Microsoft 365 Organizational accounts the users' mailboxes must be migrated to Exchange Online, as without the deployment of any Add-ins via Microsoft Unified Deployment will not work.BrowserGenerally, our Apps work with any current browser across Windows, Mac OS, and iOS.Office VersionGenerally, the newer the Office version you run, the better and the more value you will get from our Add-Ins. Office 2013 MSI will only support a few apps with restricted functionality.Office 2016 MSI will support some apps and some apps with restricted functionality.Office 2019 MSI will be ok for most apps.Office 2021 MSI will be ok for most apps.Office 365 Click-to-run will get you the greatest value.Learn in detail about the compatibility for each of our Add-ins here:Content Chooser compatibility overviewDesigner & Wizard compatibility overviewImage Chooser compatibility overviewMail Signature compatibility overviewSlide Chooser compatibility overviewTemplate Chooser compatibility overviewUploader compatibility overviewVerifier compatibility overview