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988727-FAQ on How are spaces in cell values handled by XlsIO during calculation #1819

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---
title: Handling spaces in Excel calculations | Syncfusion
description: This page explains how Microsoft Excel and Syncfusion XlsIO handle leading and trailing spaces in cell values during calculation and display.
platform: document-processing
control: XlsIO
documentation: UG
---

# How are spaces in cell values handled by XlsIO during calculation?

In Microsoft Excel, leading and trailing spaces in cell values are preserved for display purposes. However, when performing calculations (for example, **=A1+5** where A1 contains **" 25 "** with spaces), Excel automatically ignores those spaces and treats the underlying numeric value. Spaces are always shown in the cell but ignored in calculations. Syncfusion XlsIO follows the same behavior.