# Custom Time Series Excel Add-in

**Installation for Excel 2007**

1. Locate the following file:
2. Open Microsoft Excel 2007.
3. Select Excel Options from the Office Button in the upper left corner of the screen.
4. Select the Add-ins option.
5. After selecting “Add-ins,” hit “Go.”
6. Browse for and select: C:\Program Files\Windham Capital Management, LLC\WPA 3.0\WPA 30 Upload Data.xlam
7. Affirm any subsequent prompts related installing this add-in
8. 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**

1. Open Microsoft Excel 2010 or later
2. Select File from the Ribbon in the upper left corner of the screen.
3. Select Options
4. After selecting “Add-ins,” hit “Go.”
5. Browse for and select: C:\Program Files\Windham Capital Management, LLC\WPA 3.0\WPA 30 Upload Data.xlam
6. Affirm any subsequent prompts related installing this add-in
7. 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.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://wpahelp.windhamlabs.com/custom-time-series-excel-add-in.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.