File Name: AltTab.dll
Bit: 64
Latest version: 6.3.9600.17415
Size: 0.11 MB
Language: U.S. English
Description: Windows Shell Alt Tab
Company: Microsoft Corporation

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Download alttab.dll file for Windows 7, Windows 8, Windows 10 and fix alttab.dll is missing or not found dll error. The latest version of alttab.dll file is v6.3.9600.17415 which is a 64 with a file size of approximately 0.11 MB. Microsoft Corporation is the developer of alttab.dll and the file belongs to Windows Shell Alt Tab.

What is alttab.dll ?

DLL stands for Dynamic Link Library. alttab.dll is a file that contains code, resources and data that other programs can use. Thus, Dlls provide a way to modularize applications so that their functionality can be updated and reused by other applications. Dll's also help to reduce application size and memory footprint since many applications can share the same code contained in a single Dll file such as alttab.dll.

How to fix alttab.dll error?

If you are here because your seeing alttab.dll errors in your Windows such as :

  • alttab.dll not found
  • alttab.dll is missing
  • Failed to load alttab.dll
  • or any other similar dll error

There are number of ways to fix alttab.dll errors. Below you will find 2 such ways:

How to install alttab.dll file?

Where do I put alttab.dll file? Download alttab.dll and copy it to the application’s installation folder.

Make sure to download alttab.dll 32-bit file for 32-bit Windows operating system and alttab.dll 64-bit file for 64-bit Windows operating system if they are available. Most new Windows systems would probably be a 64-bit one. You can check to see if your computer is running a 32-bit or a 64-bit version of Windows by doing:

Windows 10 and Windows 8.1
  • Select the Start button, then select Settings > System > About.
  • At the right, under Device specifications, see System type.
Windows 7
  • Select the Start button , right-click Computer, and then select Properties.
  • Under System, see the system type.

After you are done with above installation instructions, try restarting the application throwing alttab.dll is missing error.

If that doesn’t fix the error, copy the alttab.dll to the systems directory. This can vary between Windows OS versions. Check out the systems directory path for different Windows versions below:

  • C:\Windows\System (For Windows 95, 98, Me)
  • C:\WINNT\System32 (For Windows NT/2000)
  • C:\Windows\System32 (For Windows 7, Windows 8, Windows 10)

Restart your Windows and see if the error is fixed.

How to register alttab.dll file?

If the error persists, try to register the alttab.dll in Windows registry. This can be done by using the “REGSVR32” command prompt and giving the dll file alttab.dll.

  • Windows > Click Start > Run
  • REGSVR32 alttab.dll

Make sure you run the command as administrator from the Run Box.

Once you are done registering the alttab.dll in the Windows system’s registry, you should be good to go. Restart your Windows once again and alttab.dll missing error should be fix.

Clicking on 'Download alttab.dll' button below will take you to the download page where you will see list of alttab.dll versions with bit, file size and other details of of the file. It is recommended to download the latest version of alttab.dll to fix dll errors which is v6.3.9600.17415.

Download alttab.dll