If you have worked with Formulas in Excel, you must know the power of using formulas to perform calculations and analysis. Using formulas is essential for creating effective spreadsheets and making informed decisions. Excel has a wide range of formulas including mathematical operators, functions, and cell references to fully automate data calculations and analysis.
In our series of articles on working with NPOI API in .NET, we explained how to install NPOI in .
Add Comment in Excel using NPOI in .NET
In our previous article, Using NPOI for Spreadsheets in .NET, we went through and showed how you can create a Workbook with NPOI in C#. We also showed examples of how to read data from a spreadsheet and save the workbook as an XLSX. NPOI is a powerful open-source API that lets you work with Microsoft Office Excel Spreadsheets and Word Documents. In this article, we further explore the features of inserting a comment in an Excel worksheet using NPOI with .
Using NPOI API for Spreadsheets in .NET: A Comprehensive Guide
NPOI is an open-source .NET API for developing applications that work with spreadsheets. It is free to use in .NET projects, including commercial ones, as it is licensed under the Apache License 2.0. This means you can freely use, modify, and distribute NPOI as long as you comply with the license terms. NPOI is simple, easy to use, and can be quickly set up to start working with Excel spreadsheets.
NPOI – An Open-Source .NET API for Microsoft Office File Formats
NPOI is an open-source .NET project that provides an easy-to-use API for working with Microsoft Office file formats. It supports various file formats for Excel, Word, and PowerPoint such as XLS, XLSX, DOC, DOCX, PPT, and PPTX. We are going to have a look at installing NPOI API for working with Spreadsheet documents.
Installing NPOI NPOI can be installed using two methods.
Installation from GitHub Repository Installation from NuGET Installing NPOI from GitHub Repository Step 1: Download NPOI API – The first step is to download the NPOI API.
XLSX vs XLSB – How to Reduce Excel File Size?
XLSX and XLSB are two popular Spreadsheet file formats by Microsoft Excel to store large amounts of data in Workbooks. However, the presence of formulas, user data, and objects (such as shapes) in these files can considerably increase the file size that can affect the performance of loading and saving these files. Moreover, large files consume considerable mailbox storage volume when sent via email.
This article compares the XLSX and XLSB file formats and describes how to reduce the size of Excel files for loading and saving workbooks much faster.
Difference Between XLS and XLSX
XLS and XLSX extensions represent popular Excel file formats that were introduced by Microsoft as part of its Office suite over a period of time. XLS being the oldest and widely used file type is also known to be the Excel97-2003 file format. The XLSX file format was introduced as a replacement of XLS file type with the launch of Excel 2007. Common users may not know the underlying differences between the two file formats, however, XLS is different than XLSX file format in several ways as detailed below.
Excel File Formats: XLSX, XLSM, XLS, XLTX, XLTM
A file with XLSX, XLSM, XLS, XLTX or XLTM extension is a Microsoft Excel file that uses specific standard file format. You can show or display file extension on Windows OS from Folder Options. MS Excel lets you save files in any of these file formats using the Save As option. These Excel file formats serve different purposes for working with Spreadsheet files as explained in this article.
In addition to standard file formats, Excel indirectly uses other file formats as well for a set of different operations.
Spreadsheet File Formats at FileFormat.com
FileFormat.com is your one stop for guidance about file formats. Its unique combination of file format wiki, news and support forums give you the opportunity to get knowledge about file types and engage in fruitful discussion with file format community.
Spreadsheet File Formats The Spreadsheet file format category includes file formats that can be processed by spreadsheet applications like Microsoft Excel, OpenOffice Writer and others. Let us have a look at some of these file formats.