

With 64-bit apps, you have up to 128 TB of virtual address space which the app and any add-ins running the same process can share. While 32-bit applications can work with add-ins, they can use up a system's available virtual address space. You're using add-ins with Outlook, Excel, or other Office apps. See Excel specifications and limits, Data Model specification and limits, and Memory usage in the 32-bit edition of Excel. The 64-bit version of Microsoft 365 may perform better in these cases. You’re working with large data sets, like enterprise-scale Excel workbooks with complex calculations, many pivot tables, data connections to external databases, Power Pivot, 3D Map, Power View, or Get & Transform. Therefore, if your scenarios include large files and/or working with large data sets and your computer is running 64-bit version of Windows, 64-bit is the right choice when: Also, 64-bit applications can access more memory than 32-bit applications (up to 18.4 million Petabytes). Reasons to choose the 64-bit versionĬomputers running 64-bit versions of Windows generally have more resources such as processing power and memory, than their 32-bit predecessors. If you're still not sure which version, 32-bit or 64-bit is a better choice for you, see the section below.



See “Office (64-bit or 32-bit) couldn’t be installed” error. The same is true if you installed the 32-bit version, but want to install the 64-bit version. Important: If you install the 64-bit version, but want the 32-bit version instead, you must first uninstall the 64-bit version before installing the 32-bit version. Scope of Impact : Impact is specific to Windows 7 users who have received the latest Microsoft Teams service update.įinal Update : 14:20:00 PM – Microsoft has completed reverting the offending update and to fully mitigate the issue, we suggest that affected users re-download Microsoft Teams for desktop and mobile via the following link. From a non-mobile device, please rate this post and submit it in the textbox. Microsoft would like to get your feedback on the workaround we provided. While Microsoft is focused on remediation users can access the below links to download the last known compatible versions of Microsoft Teams desktop client on Windows 64bit and Windows 32bit, as a workaround. More info : Users may receive the following error message when attempting to open the desktop client “A JavaSscript error occurred in the main process”. Issue Description : Windows 7 users are unable to start-up the Microsoft Teams desktop client.
