#Office 2019 32 bit or 64 bit install
#Office 2019 32 bit or 64 bit code

#Office 2019 32 bit or 64 bit install

The following computer systems can only install 32-bit Office. For more information, see Using the Large Number data type.

64-bit VBA provides the LongLong data type which fully supports large numbers.

#Office 2019 32 bit or 64 bit code

YouвЂ™re working with the Large Number data type in Access, and while this data type is supported by 32-bit Access, you may see unexpected results when executing code or expressions that use native 32-bit VBA libraries. In-house Office solution developers should have access to the 64-bit Office 2016 for testing and updating these solutions. Using the 64-bit version of Office lets you deliver a 64-bit version of those solutions as well as a 32-bit version. YouвЂ™re developing in-house Office solutions like add-ins or document-level customization. YouвЂ™re working with files over 2 GB in Project, especially if the project has many sub-projects. The 64-bit version of Office may be better suited to handle these complex slide decks. YouвЂ™re working with extremely large pictures, videos, or animations in PowerPoint. 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 Office may perform better in these cases. YouвЂ™re working with large data sets, like enterprise-scale ExcelВ 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 versionД¬omputers 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 вЂњOffice (64-bit or 32-bit) couldnвЂ™t be installedвЂќ error. The same is true if you installed the 32-bit version, but want to install the 64-bit version. Important:В 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.