QXlsx
                                Excel file(*.xlsx) reader/writer library using Qt 5 or 6. Descendant of QtXlsxWriter.
                            
                        How to download and setup QXlsx
Open terminal and run command
                                            git clone https://github.com/QtExcel/QXlsx.git
                                        
                                        git clone is used to create a copy or clone of QXlsx repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with QXlsx https://github.com/QtExcel/QXlsx/archive/master.zip
Or simply clone QXlsx with SSH
                                            [email protected]:QtExcel/QXlsx.git                                    
                                    If you have some problems with QXlsx
You may open issue on QXlsx support forum (system) here: https://github.com/QtExcel/QXlsx/issuesSimilar to QXlsx repositories
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