Custom Time Series Excel Add-in
The Windham Software ships with an Excel Add-in that can be used to upload custom data to the software. This add-in requires a working copy of Microsoft Excel 2003 or later on your machine.
Installation for Excel 2007
- Locate the following file: 
- Open Microsoft Excel 2007. 
- Select Excel Options from the Office Button in the upper left corner of the screen. 
- Select the Add-ins option. 
- After selecting “Add-ins,” hit “Go.” 
- Browse for and select: C:\Program Files\Windham Capital Management, LLC\WPA 3.0\WPA 30 Upload Data.xlam 
- Affirm any subsequent prompts related installing this add-in 
- Once the add-in is installed, you should see a “Windham” item in Excel’s Add-ins menu bar. 
Installation for Excel 2010 or later
- Open Microsoft Excel 2010 or later 
- Select File from the Ribbon in the upper left corner of the screen. 
- Select Options 
- After selecting “Add-ins,” hit “Go.” 
- Browse for and select: C:\Program Files\Windham Capital Management, LLC\WPA 3.0\WPA 30 Upload Data.xlam 
- Affirm any subsequent prompts related installing this add-in 
- Once the add-in is installed, you should see a “Windham” item in Excel’s “Add-ins” menu bar. 
Once installed, use the “Load time series” menu item in Excel to create a new custom database. You may also refer to the built-in help menu item for an example on how to proceed with the process.
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