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If you"re not sure which Office product you have sầu, see What version of Office am I using? Otherwise, piông xã your version of Office from below.

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Important You can"t run add-ins or MDE files compiled in a 32-bit version of Office on a 64-bit version of Office & vice versa.


I know which version I want. How bởi vì I install it?

The 64-bit version of Office is automatically installed unless you explicitly select the 32-bit version before beginning the installation process.

To install either the 32 or 64-bit version of infobandarpkr.com 365 or Office 2019, follow the steps in Install Office on a PC.


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. The same is true if you installed the 32-bit version, but want to lớn install the 64-bit version. See “Office (64-bit or 32-bit) couldn’t be installed” error.


If you"re still not sure which version, 32-bit or 64-bit is a better choice for you, see the section below.

Reasons khổng lồ choose the 64-bit version

Computers running 64-bit versions of Windows generally have sầu more resources such as processing power and memory, than their 32-bit predecessors. Also, 64-bit applications can access more memory than 32-bit applications (up to lớn 18.4 million Petabytes). Therefore, if your scenarquả táo include large files and/or working with large data sets và your computer is running 64-bit version of Windows, 64-bit is the right choice when:

You’re working with extremely large pictures, videos, or animations in PowerPoint. The 64-bit version of Office may be better suited to lớn handle these complex slide decks.

You’re working with files over 2 GB in Project, especially if the project has many sub-projects.

You’re developing in-house Office solutions lượt thích add-ins or document-cấp độ customization. Using the 64-bit version of Office lets you deliver a 64-bit version of those solutions as well as a 32-bit version. In-house Office solution developers should have sầu access to the 64-bit Office năm 2016 for testing & updating these solutions.

Reasons to choose the 32-bit version

The following computer systems can only install 32-bit Office. Cheông chồng your Windows version.

64-bit operating system with ARM-based processor

32-bit operating system with an x86 (32-bit) processor

Less than 4 GB RAM


Tip: If you have sầu 64-bit operating system with an x64-based processor, you can choose khổng lồ install 32-bit or 64-bit Office.


IT Professionals và developers in particular, should also Đánh Giá the following situations where the 32-bit version of Office is still the best choice for you or your organization.

You have 32-bit COM Add-ins with no 64-bit alternative. You can continue to lớn run 32-bit COM add-ins in 32-bit Office on 64-bit Windows. You can also try contacting the COM Add-in vendor and requesting a 64-bit version.

You use 32-bit controls with no 64-bit alternative. You can continue to run 32-bit controls in 32-bit Office like infobandarpkr.com Windows Comtháng Controls (Mscomctl.ocx, comctl.ocx), or any existing 3rd-buổi tiệc ngọt 32-bit controls.

You’re activating a 32-bit OLE VPS or object. You can continue to run your 32-bit OLE Server application with a 32-bit version of Office installed.

You"re using SharePoint Server 2010 và you need the Edit in Datasheet view. You can continue to use the Edit in Datasheet view functionality in SharePoint Server 2010 with 32-bit Office.

You need 32-bit infobandarpkr.com Access .mde, .ade, và .accde database files. While you can recompile 32-bit .mde, .ade, and .accde files to make them 64-bit compatible, you can continue lớn run 32-bit .mde, .ade, và .accde files in 32-bit Access.

You require Legacy Equation Editor or WLL (Word Add-in libraries) files in Word. You can continue to lớn use Legacy Word Equation Editor & run WLL files in 32-bit Word.

You have sầu an old embedded media tệp tin in your PowerPoint presentation with no available 64-bit codec.

Ready to install?

To install either the 32 or 64-bit version of infobandarpkr.com 365 or Office 2019, follow the steps in Install Office on a PC.


If you"re still not sure which version, 32-bit or 64-bit is a better choice for you, see the section below.

Reasons to lớn choose the 64-bit version

Computers running 64-bit versions of Windows generally have sầu more resources such as processing power và memory, than their 32-bit predecessors. Also, 64-bit applications can access more memory than 32-bit applications (up khổng lồ 18.4 million Petabytes). Therefore, if your scenarquả táo include large files and/or working with large data sets & your computer is running 64-bit version of Windows, 64-bit is the right choice when:

You’re working with extremely large pictures, videos, or animations in PowerPoint. The 64-bit version of Office may be better suited lớn handle these complex slide decks.

You’re working with files over 2 GB in Project, especially if the project has many sub-projects.

You’re developing in-house Office solutions like add-ins or document-cấp độ customization. Using the 64-bit version of Office lets you deliver a 64-bit version of those solutions as well as a 32-bit version. In-house Office solution developers should have access to lớn the 64-bit Office 2016 for testing và updating these solutions.

Reasons to lớn choose the 32-bit version

32-bit operating system with an x86 (32-bit) processor can only install 32-bit Office. Chechồng your Windows version.


Tip: If you have 64-bit operating system with an x64-based processor, you can choose lớn install 32-bit or 64-bit Office.


IT Professionals & developers in particular, should also reviews the following situations where the 32-bit version of Office is still the best choice for you or your organization.

You have 32-bit COM Add-ins with no 64-bit alternative. You can continue lớn run 32-bit COM add-ins in 32-bit Office on 64-bit Windows. You can also try contacting the COM Add-in vendor and requesting a 64-bit version.

You use 32-bit controls with no 64-bit alternative. You can continue khổng lồ run 32-bit controls in 32-bit Office lượt thích infobandarpkr.com Windows Comtháng Controls (Mscomctl.ocx, comctl.ocx), or any existing 3rd-buổi tiệc ngọt 32-bit controls.

You’re activating a 32-bit OLE VPS or object. You can continue to run your 32-bit OLE Server application with a 32-bit version of Office installed.

You"re using SharePoint Server 2010 và you need the Edit in Datasheet view. You can continue to lớn use the Edit in Datasheet view functionality in SharePoint Server 2010 with 32-bit Office.

You need 32-bit infobandarpkr.com Access .mde, .ade, and .accde database files. While you can recompile 32-bit .mde, .ade, và .accde files to lớn make them 64-bit compatible, you can continue to run 32-bit .mde, .ade, và .accde files in 32-bit Access.

You require Legacy Equation Editor or WLL (Word Add-in libraries) files in Word. You can continue khổng lồ use Legacy Word Equation Editor và run WLL files in 32-bit Word.

You have sầu an old embedded media file in your PowerPoint presentation with no available 64-bit codec.

Ready lớn install?

To install either the 32 or 64-bit version of Office 2016, follow the steps in Install infobandarpkr.com 365 or năm 2016 on a PC.


If you"re still not sure which is a better choice for you, see the sections below.

Reasons lớn choose the 64-bit version

The 64-bit version of Office has some limitations; however it is a good choice when:

You work with extremely large data sets, like enterprise-scale Excel workbooks with complex calculations, many pivot tables, connections lớn external databases, & using Power Pivot, Power Map, or Power View. The 64-bit version of Office may persize better for you.

You work with extremely large pictures, videos, or animations in PowerPoint. The 64-bit version may be better suited lớn handle these complex slide decks.

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You work with extremely large Word documents. The 64-bit version might be better suited to lớn handle Word documents with large tables, graphics, or other objects.

You’re working with files over 2 gigabytes (GB) in Project 2013, especially if the project has several sub-projects.

You want khổng lồ keep the 64-bit version that you’re already using. The 32-bit and 64-bit versions of Office programs aren’t compatible, so you can’t install both on the same computer.

You’re developing in-house solutions, like add-ins or document-level customization.

Your organization requires that Hardware Data Execution Prevention (DEP) be enforced for Office applications. DEPhường. is a phối of hardware & software technologies that some organizations use to lớn enhance security.

If none of these situations apply lớn you, the 32-bit version is most likely a better choice.


Note: The 32-bit version of Office works well with both the 32-bit & 64-bit versions of Windows. If you’re installing the 64-bit version of Office, you need the 64-bit version of Windows. If you’re not installing on Windows, you don’t need to lớn be concerned about 32-bit or 64-bit options. To determine how lớn tell what version of Office you"re using, go khổng lồ What version of Office am I using?


If you decide khổng lồ switch from 32-bit Office to 64-bit Office, you must uninstall the 32-bit version first, và then install the 64-bit version.

Reasons to choose the 32-bit version

The 64-bit version of Office may persize better in some cases, but you need lớn know about limitations.

If you have 64-bit operating system with an x64-based processor, you can choose lớn install 32-bit or 64-bit Office.

IT Professionals và developers in particular, should look at the following situations, & Reviews the linked overviews. If these limitations would affect you, the 32-bit version would be a better choice.

Solutions that use ActiveX controls library. ComCtl controls won’t work. There are several ways for developers to lớn work around this và provide a 64-bit solution.

32-bit third các buổi party ActiveX controls và add-ins won’t work. The vendor would need to create 64-bit versions of these controls.

Compiled Access databases, such as .MDE, .ADE, and .ACCDE files won’t work unless they’re specifically written for the 64-bit version of Office.

In SharePoint 2010 or earlier, the datasheet view won’t be available because this view uses an ActiveX control.

infobandarpkr.com Office Excel Viewer, Access database engine of Access 2013, and Compatibility Paông chồng for the 2007 Office system will bloông xã a 64-bit Office 2013 installation.

The legacy Equation Editor in Word isn’t infobandarpkr.comed on 64-bit Office 2016, but the equation builder feature in Word 2013 is infobandarpkr.comed on all platforms. Also, Word Add-in Libraries (WLL) are not infobandarpkr.comed in 64-bit Office 2013.

If you have specific add-ins that you use in the 32-bit version of Office, they might not work in 64-bit Office, and vice versa. If you’re concerned, kiểm tra your current version of Office before installing the new one. Consider testing the add-in with 64-bit Office, or finding out if a 64-bit version of the add-in is available from the developer.


Important: If you’re an administrator who is deploying Office, we have sầu more 64-bit technical info available on TechNet at 64-bit editions of Office 2013.


Ready khổng lồ install?

Follow the instructions in:


Office 2010 was the first release where Office offered both 32-bit and 64-bit versions. The 32-bit version is Office is installed automatically. However, the version that’s right for you depends on how you plan lớn use Office. If you have specific add-ins that you use in the 32-bit version of Office, they might not work in 64-bit Office & vice versa. If you’re concerned, check your current version of Office before installing the new one. Consider testing the add-in with 64-bit Office, or checking if a 64-bit version of the add-in is available from the vendor/developer.

I know I want the 64-bit version. How bởi vì I install it?

To install Office 2010, see Office 2010.

If you"re still not sure which is a better choice for you, see the sections below.

Reasons to choose the 64-bit version

The benefits of using the 64-bit version of Office 2010 are listed below, và there are a few limitations such as not working well with some older version add-ins. It’s mostly because of the limitations that the 32-bit version is installed automatically (by default), even on the 64-bit Windows operating system.

If your work scenargame ios include very large files and/or working with large sets of data, và your computer is running the 64-bit version of Windows, 64-bit is the right choice specifically when:

You’re working with very large data sets, such as enterprise-scale Office Excel workbooks with complex calculations, lots of pivot tables, connecting to external databases, và using features such as nguồn Pivot, 3 chiều Map, Power nguồn View, or Get & Transsize. Because 64-bit Office doesn’t impose specific limits on file size, as 32-bit Office does (2 gigabyte (GB) limit), it may work better with large data sets.

You’re working with extremely large pictures, videos, or animation in Office PowerPoint. The 64-bit version of Office may be better suited khổng lồ handle these complex slide decks.

You’re working with files that take up over 2 gigabytes of space in Office Project, especially if the project has many sub-projects.

You’re developing in-house Office solutions like add-ins or document-màn chơi customization.

Your organization requires that Hardware Data Execution Prevention (DEP) be enforced for Office applications. DEP.. is a phối of hardware và software technologies that some organizations use lớn enhance security. For 64-bit installations DEP. will always be enforced, while on 32-bit installations DEP.. needs to lớn be configured through settings.

With more Outlook customers using 64-bit, rebuilding 32-bit Messaging Application Programming Interface (MAPI) applications, add-ins, or macros for 64-bit Outlook is the recommended option. But if necessary you can also continue lớn run them with 32-bit Outlook only.

Reasons to lớn choose the 32-bit version

32-bit operating system with an x86 (32-bit) processor can only install 32-bit Office. Check your Windows version.

If you have 64-bit operating system with an x64-based processor, you can choose khổng lồ install 32-bit or 64-bit Office.


Tip: In addition to providing tư vấn for the 32-bit versions of Windows, the 32-bit version of Office is infobandarpkr.comed on computers that run the 64-bit versions of Windows. Office 2010 lets users continue to lớn use existing infobandarpkr.com ActiveX Controls, Component Object Model (COM) add-ins, & Visual Basic for Applications (VBA). These are primarily 32-bit because no 64-bit versions are available for many add-ins.


If your organization needs to continue to use extensions lớn Office, such as ActiveX controls, third-party add-ins, in-house solutions built on previous versions of Office, or 32-bit versions of software that interface directly with Office, we recommover you go with the automatically installed 32-bit (x86) Office 2010 on computers that are running both 32-bit & 64-bit infobandarpkr.comed Windows operating systems.

You use 32-bit controls with no 64-bit alternative. You can continue khổng lồ run 32-bit controls in 32-bit Office lượt thích infobandarpkr.com Windows Comtháng Controls (Mscomctl.ocx, comctl.ocx), or any existing third-tiệc ngọt 32-bit controls.

Your VBA code uses Declare statements. Visual Basic for Applications (VBA) that contain Declare statements won’t work in the 64-bit version of Office without being updated.

In SharePoint Server 2010 or earlier, the datasheet view won"t be available. However, you can continue to use the Edit in Datasheet view functionality in SharePoint Server 2010 with a 32-bit Office client.

Compiled Access databases, like .MDE and .ACCDE files, won’t work unless they are specifically written for the 64-bit version of Office.

You need Legacy Equation Editor or WLL (Word Add-in Libraries) tệp tin in Word. You can continue lớn use Legacy Word Equation Editor (WLL files were deprecated in 32-bit & not infobandarpkr.comed in Office 2010).

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There is no codec (software used lớn compress or decompress a đoạn phim or audio file) available in 64-bit for three QuickTime truyền thông media formats. Therefore, if you have sầu an old embedded media tệp tin in a PowerPoint presentation, you’ll need to lớn use 32-bit Office.