This article describes the issue that is fixed in the Microsoft Excel 2010 hotfix package that is dated December 11, 2012.
Issue that this hotfix package fixes
Assume that you have a Microsoft SharePoint list that contains some items that have long text strings. When you export data from the SharePoint list to Excel 2010, the import process takes much longer than expected. Specifically, Excel freezes temporarily while the status bar displays the text "Adjusting Column Widths."
Note This issue does not occur in either Microsoft Office Excel 2003 or Microsoft Excel 2007.
A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.
If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.
Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website:
http://support.microsoft.com/contactus/?ws=supportNote The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.
You must have Microsoft Office 2010 Service Pack 1 (SP1) installed to apply this hotfix package.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
2510690 List of all Office 2010 SP1 packages
You do not have to restart the computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace a previously released hotfix.
Registry key information
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in WindowsAfter you install the hotfix package, follow these steps to enable the hotfix:
Click Start, click Run, type regedit in the Open box, and then click OK.
Locate and then click the following registry subkey:
On the Edit menu, point to New, and then click DWORD (32-bit) Value.
Type EnableFastBestFit, and then press Enter.
In the Details pane, right-click EnableFastBestFit, and then click Modify.
In the Value data box, type 1, and then click OK.
Exit Registry Editor.
This hotfix may not contain all the files that you must have to fully update a product to the latest build. This hotfix contains only the files that you must have to resolve the issue that is listed in this article.
The English version of this hotfix package uses a Microsoft Windows Installer package to install the hotfix package. The dates and the times for these files are listed in Coordinated Universal Time (UTC) in the following table. When you view the file information, the date is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.