How to Forecast Remaining Sales with Copilot in Excel
Question details
The user wants to analyze historical book sales data to forecast remaining fiscal-year sales results using Copilot in Excel.

- Product
- Microsoft Excel
- Device & OS
- not provided
- Scenario
- Estimating future fiscal-year results based on historical quarterly sales data.
- Observed behavior
- A well-structured table with accurate historical data is required for Copilot to generate useful sales forecasts for upcoming quarters.
Ensure your historical sales data is formatted as an official Excel Table (Ctrl+T) with clear, descriptive headers such as Date, Category, and Revenue.
Forecast Future Sales Using Copilot
Use Copilot in Excel to analyze your structured historical sales data and project future quarterly results.
Copilot relies on well-structured Excel Tables to understand the context of your dataset. By correctly formatting your historical sales records, Copilot can identify trends, calculate metrics, and estimate future performance with much greater accuracy.
Set up your spreadsheet with clear columns containing relevant historical data, such as Date or Quarter, Book Title, Category, Units Sold, and Revenue.
Highlight your entire data range, navigate to the Insert tab, and click Table (or press Ctrl+T). Ensure 'My table has headers' is checked.
Click anywhere inside your newly created table, then click the Copilot icon located on the Home tab of the Excel ribbon to open the Copilot pane.
In the Copilot chat box, ask it to generate a forecast. For example, type: 'Forecast FY25 Q2, Q3, and Q4 revenue using the available historical sales data.'
Carefully read through the assumptions Copilot used to generate the estimates. Once verified, you can insert the forecast data into a new worksheet for further business planning.

Analyze Data and Forecast Trends with WPS Office
If you need a cost-effective way to analyze sales data and generate insights without an expensive subscription, WPS Office offers a lightweight, highly compatible alternative to Microsoft Office. With robust built-in data analysis tools and WPS AI capabilities, you can efficiently process historical data and make informed business decisions.
- 1. Download and Install: Get WPS Office for free from the official website and install it on your Windows, Mac, or Linux device.
- 2. Open Your Spreadsheet: Launch WPS Spreadsheet and open your existing Excel sales data files directly without losing any formatting or formulas.
- 3. Analyze and Forecast: Utilize built-in data analysis features, trendlines, and WPS AI to project future sales and visualize revenue trends.

Frequently Asked Questions
Why is Copilot in Excel not generating a forecast for my sales data?
Copilot requires data to be formatted specifically as an Excel Table. Select your data range and press Ctrl+T to convert it. Additionally, ensure your columns have distinct text headers and that there are no blank rows or merged cells disrupting the dataset.
What kind of data fields are best for an accurate sales forecast?
For accurate forecasts, your table should include consistent time-based fields (like Date, Month, or Quarter) and quantitative metrics (like Units Sold or Total Revenue). Categorical fields like Product Type or Region also help Copilot provide more segmented insights.
Can Copilot predict seasonal sales trends automatically?
Yes, if your historical dataset spans multiple years and demonstrates clear seasonal patterns, Copilot's algorithms can detect these recurring fluctuations and factor them into its future quarterly or monthly estimates.
Is WPS Office compatible with Excel files used for data forecasting?
Yes, WPS Spreadsheet seamlessly opens, edits, and saves .xlsx and .csv files. Any historical sales data structured in Microsoft Excel can be easily opened and analyzed using WPS Office's built-in charting and forecasting tools.




