Some email clients rename XLS files to _XLS. Simply rename them back to XLS, open in Microsoft Excel and resave them in XLSX format using the File → Save as.. function in the program.
Convert Microsoft Excel workbook to Microsoft Excel Open XML workbook and spreadsheet.
We have found 2 software records in our database eligible for ._xls to .xlsx file format conversion.
Microsoft Windows software - convert _xls to xlsx on Windows
A popular spreadsheet application distributed with Microsoft Office suite, Excel is offers calculating, contains graphing tools, pivot tables and own programming language based on Visual Basic.
Excel supports charts, graphs or histograms generated from specified groups of cells. Excel also can change data between other Microsoft Office applications. It is available for Microsoft Windows, Mac OS X (macOS) and various mobile platforms.
Convert from _xls file
|Yes, Microsoft Excel supports _xls file conversion as a source file type.||Yes||Yes||_xls editor||Yes||No||No||No|
to xlsx file
|Yes, Microsoft Excel supports xlsx file conversion as a target file type.||Yes||Yes||xlsx editor||Yes||No||No||No|
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned _xls to xlsx. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Apple macOS / Mac OS X software - convert _xls to xlsx on OS X
Microsoft Excel for Mac is popular spreadsheet application used to analyze, organize and manage data and lists. It is able to create visually rich datasheets and tables with icons, data bars and color scales. Microsoft Excel for Mac is fully compatible with Microsoft Excel for Windows.