32-bit Office is still recommended for 64-bit Windows
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Explains the benefits and drawbacks of deploying bit Office, and why we recommend the bit version of Office for most users. One benefit is that bit Office allows users to work with larger sets of Excel and Project data.
But, there are compatibility drawbacks for those users because Office add-ins and solutions might not work. We recommend the bit version of Office for most users, because it's more compatible with most other applications, especially third-party add-ins.
This is why the bit version of Office is installed by default, even on bit Windows operating systems. WOW64 is the x86 emulator that enables bit Windows-based applications to run seamlessly on bit Windows systems. There are several cases in which you should consider deploying bit Office Here are several examples:. Excel expert users who work with complex Excel worksheets can benefit from using bit Office Instead, workbook size is limited only by available memory and system resources.
On the other hand, bit Office is limited to 2 gigabytes GB of virtual address space, shared by Excel, the workbook, and add-ins that run in the same process. Worksheets smaller than 2 GB on disk might still contain enough data to occupy 2 GB or more of addressable memory. You can learn more in Excel specifications and limits and Data Model specifications and limits. Users who use Project also benefit when they use Project files over 2 GB, especially when they are dealing with many subprojects to a large project.
In-house Office solution developers should have access to the bit Office for testing and updating these solutions. DEP is a set of hardware and software technologies that perform additional checks on memory to help prevent malicious code from running on a system. For bit installs, DEP will always be enforced for Office applications. In addition to reviewing the Office system requirementswe recommend that you review these sections before you deploy bit Office:.
When you upgrade to Officethe architecture versions must be the same for the old and new version. If you want to switch between bit and bit versions, you must uninstall and then re-install Office If you 32 bit vs 64 bit office performance to do this, you'll receive an error message and be prevented from continuing.
When you deploy the MSI-based version of Officeyou can only upgrade Office to the same architecture. For example, you can upgrade from Office bit to Office bit, and you can upgrade from Office bit to Office bit. If you install bit and 32 bit vs 64 bit office performance later decide you want to switch to bit, you have to uninstall the bit version, and then re-install the bit version. The reverse is also true—going from bit Office to bit Office also requires an uninstall and then a re-install.
For additional information about applications and components that block bit Officesee KB You receive the error message "You cannot install the bit version of Office because you have bit Office products installed". Most features that are included in the bit version of Office are included in the bit version of Office. However, the equation builder feature in Word works on all platforms. The technology 32 bit vs 64 bit office performance a single-instruction, multiple-data SIMD technique to speed up multimedia and communications software by processing data elements in parallel.
Computers can have bit and bit controls installed, and Office bit can only run the bit versions of the controls. The workaround for resolving these issues is to obtain bit compatible controls and add-ins or to install Office bit. In addition to controls that load into Office applications, there are web-based solutions that use ActiveX controls in Internet Explorer.
Office Datasheet views that are created by using a SharePoint Server work on any platform and in browsers other than Internet Explorer. You must contact the application developer to recompile, retest, and redistribute the solution in the bit version. If your organization developed bit MAPI applications, add-ins, or macros for Outlook, there are actions that you should take to change and rebuild the bit applications to run on a bit platform. The following issues might occur if there is no match between the version bit or bit of Office and registered applications:.
This can occur, for example, if the OLE Server application is bit and the version 32 bit vs 64 bit office performance Office installed is bit. An object inserted into an Office application document might fail in cross-version scenarios. This can occur, for example, if you insert a bit object in a bit Office application document. Telemetry Log is part of the new Office Telemetry monitoring framework that is built into Office It helps developers and experienced users diagnose compatibility issues by displaying events that occur within select Office applications.
Among the issues it identifies are Visual Basic 6. To troubleshoot add-ins and solutions on a computer that runs Officeuse Telemetry Log. This site uses cookies for analytics, personalized content and ads. By continuing to browse this site, you agree to this use.
Office Office Exchange Server. Not an IT 32 bit vs 64 bit office performance United States - English Sign in. The content you requested has been removed. Office Office Resource Kit Plan and deploy. Plan and deploy bit editions of Office 32 bit vs 64 bit office performance out Office Identity, 32 bit vs 64 bit office performance, and authorization.
Internet Protocol version 6 support. Collapse the table of content. This documentation is archived and is not being maintained. Are you installing Office at home? Learn how to choose between bit and bit Office. No matter where you install Office or Office ProPlus from, the bit version is always the default installation choice.
Here are several examples: Review the requirements for deploying Office bit. In addition to reviewing the Office system requirementswe recommend that you review these sections before you deploy bit Office: Some applications block bit Office installations. These applications also block a bit Office installation: Microsoft Office Excel Viewer Access database engine of Access Compatibility Pack for the Office system For additional information about applications and components that block bit Officesee KB Before you decide to deploy bit Officeconsider these disadvantages: VBA code that uses Declare statements must be updated.
For SharePoint Serverbit versions install some Office bit client-side controls for supporting solutions in a bit browser the default browser on current bit Windows systems. The Edit in Datasheet functionality is available if you install bit Office client.
MAPI applications that work with Outlook must be rebuilt. The following issues might occur if there is no match between the version bit or bit of Office 32 bit vs 64 bit office performance registered applications: Telemetry Log can help you identify compatibility issues with bit Office. Is this page helpful? We appreciate your feedback. Site Feedback Site Feedback. Tell us about your experience
