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I have a complex workbook which runs a lot of VBA code. &nbsp;It runs in excel 2003, 2007 and 2010. Some computers with excel 2003 it runs very slow, other computers very fast. &nbsp;The RAM, CPU and HD size are very similar. &nbsp;Search a lot of places, but can not solve why its very slow on some computers.<br />
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<b>Things I have done!</b><br />
defrag<br />
Page File Space<br />
<br />
PLEASE HELP!!!
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I have a complex workbook which runs a lot of VBA code.  It runs in excel 2003, 2007 and 2010. Some computers with excel 2003 it runs very slow, other computers very fast.  The RAM, CPU and HD size are very similar.  Search a lot of places, but can not solve why its very slow on some computers.

Things I have done!
defrag
Page File Space

PLEASE HELP!!!

Workbook runs slow on some computers

Microsoft applications include a variety of software programs, including development and digital authoring programs (Expression and Media Center), educational programs, Internet software, including Essentials, Skype and the Live family, anti-virus, productivity applications and suites like Office, Excel, Word, Outlook, Access and PowerPoint, video games and server applications such as Exchange, SharePoint, IIS and Virtual Server.

Microsoft Applications

Microsoft Office is an integrated suite of applications that includes Outlook, Word, Excel, Access, PowerPoint, Visio and InfoPath, along with a number of tools to assist in making the individual components work together. Coding within and between the projects is done in Visual Basic for Applications, known as VBA.

Microsoft Office

Microsoft Excel topics include formulas, formatting, VBA macros and user-defined functions, and everything else related to the spreadsheet user interface, including error messages.