If you are using Excel 2007, click the round Office Button, Excel Options, Add-ins, change the dropdown box to COM add-ins and click Go.If you are using Excel 2003, download our free Add-in Information Lister and use it to un-install the COM add-ins.The number one thing you can do: If you have any COM add-ins installed, un-install them unless they are absolutely required. It is best to check after each software install to see if any COM add-ins got secretly put into Excel. We also see frequently see a BlueTooth COM add-in and a Snag-It COM add-in sneak in. The number one COM add-ins that sneaks in is an Adobe COM add-in. And, some Excel add-in makers release their products as COM add-ins and don't tell you. Unfortunately, they sneak into Excel without permission. We strongly recommend you do not install any COM add-ins. Excel add-ins do not cause memory problems.

We have had all of our add-ins (80+) loaded at one time and working fine without any memory issues. Excel add-ins are designed to work within Excel and Excel manages all memory.

We have even seen a case where Excel's own calculation functions return errors and formulas in Excel return errors.Īll of our add-ins are Excel add-ins and are not COM add-ins. They can cause regular add-ins not to work correctly, as Excel runs out of memory. Excel frequently runs into memory problems if COM add-ins are installed. They are created outside of Excel by special programs and designed to work within Excel.

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