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  1. stackoverflow.com › questions › 33148355File is corrupted after creating excel (.xlsx) file by using...

    15 Οκτ 2015 · I have created a Workbook/Excel in .xlsx format with Java using Apache POI API successfully. My code is as below that is created a file named "RiponAlWasim.xlsx" in D drive: When I tried to open "RiponAlWasim.xlsx" it was shown the file is corrupted.

  2. stackoverflow.com › questions › 56498938java - Excel says: "Excel file is not a valid file extension or...

    7 Ιουν 2019 · I am using apache.poi to make an excel file, but when I generate it with a simple java code when I'm trying to open with Microsoft Excel, it says that this file cannot be opened because my file format or extension not valid. I'm using the latest poi, and Micrisoft Office 2019 32-bit.

  3. www.baeldung.com › java-microsoft-excelWorking with Microsoft Excel in Java - Baeldung

    9 Ιαν 2024 · In this article, we saw how to use the Apache POI API, JExcel API, and Fastexcel API to read and write an Excel file from a Java program. When deciding on which library to use, we should consider the benefits and drawbacks of each library.

  4. www.codejava.net › coding › java-example-to-update-existing-excel-files-usingJava Example to Update Existing Excel Files Using Apache POI

    30 Μαΐ 2019 · This Java Excel tutorial shows you how to update an existing Microsoft Excel file using the Apache POI. library. Here are the steps for updating an Excel file: Read the Excel file to an InputStream and get the Workbook from this stream. Update new data to an existing Sheet or create a new Sheet. Close the InputStream. Write the workbook to an ...

  5. github.com › GrapeCity › DsExcel-JavaGrapeCity/DsExcel-Java: High-speed Excel spreadsheet API for Java...

    Using DsExcel, you can create full reports, sorted and filtered tables, sorted and filtered pivot tables, dashboard reports, add charts, slicers, sparklines, conditional formats, import and export Excel templates, convert spreadsheets to PDF and so much more. DsExcel comes with a full-featured JavaScript Data viewer control (DsDataViewer).

  6. www.baeldung.com › java-convert-excel-data-into-listHow To Convert Excel Data Into List Of Java Objects

    8 Ιαν 2024 · Converting Excel Data into a List of Objects. Though it only supports the older Excel format (.xls) files, the JExcel library offers a range of classes for manipulating Excel files. The Workbook class is used to access the list of Excel sheets within the file.

  7. excelrescue.net › blog › how-to-fix-excel-cannot-open-the-file-because-the-file3 ways to fix "Excel cannot open the file 'filename.xlsx' because...

    15 Ιαν 2021 · Resetting the Excel file associations will restore Excel to its default settings, undoing any damaging alterations to the program. In most cases, that can help resolve all issues and ensure the program is running smoothly once again.