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How do I save an Excel file as Xlsx?

Author

Christopher Ramos

Published Mar 05, 2026

How do I save an Excel file as Xlsx?

Saving an Excel spreadsheet (.xls or .xlsx) as a CSV file
  1. Click the File tab, and then click Save As.
  2. In the Save as type box, choose the CSV (Comma delimited) file format for the worksheet.
  3. Browse to the location where you want to save the new text file, and then click Save.
  4. A dialog box appears, reminding you that only the current worksheet will be saved to the new file.

Also to know is, how do I convert Excel to Xlsx?

  1. Choose the XLS file that you want to convert.
  2. Select XLSX as the the format you want to convert your XLS file to.
  3. Click "Convert" to convert your XLS file.

Subsequently, question is, how do I convert XLSX to excel?

  1. Choose the XLSX file you want to convert.
  2. Change quality or size (optional)
  3. Click on "Start conversion" to convert your file from XLSX to EXCEL.
  4. Download your EXCEL file.

People also ask, how do I save a .xlsx file?

Saving an Excel spreadsheet (.xls or .xlsx) as a CSV file

  1. Click the File tab, and then click Save As.
  2. In the Save as type box, choose the CSV (Comma delimited) file format for the worksheet.
  3. Browse to the location where you want to save the new text file, and then click Save.
  4. A dialog box appears, reminding you that only the current worksheet will be saved to the new file.

What is XLSX format?

XLSX is a zipped, XML-based file format. Microsoft Excel 2007 and later uses XLSX as the default file format when creating a new spreadsheet. Support for loading and saving legacy XLS files is also included. XLS is the default format used with Office 97-2003.

How do I open an XLSX file in Excel?

Opening XLSX files with Excel
  1. Step 1: Double click on the XLSX file.
  2. Step 2: Drag and drop the XLSX file onto an Excel window to open it.
  3. Step 3: “Open with” – open the XLSX file in Excel using the right-click menu.

How do I open an XLSX file without Excel?

You can also open and edit XLSX files without Excel, completely free, using WPS Office Spreadsheets, OpenOffice Calc, or LibreOffice Calc. If you're on a Mac, Apple Numbers supports XLSX files, too (but not all features will work).

What is XLS and XLSX?

XLSX and XLS files are Microsoft Excel Spreadsheets commonly used to store financial data and to create mathematical models. While XLS files use a proprietary binary format, XLSX files use a newer file format referred to as Open XML.

How do I convert a CSV file to Xlsx?

How to convert CSV to XLSX
  1. Upload csv-file(s) Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
  2. Choose "to xlsx" Choose xlsx or any other format you need as a result (more than 200 formats supported)
  3. Download your xlsx.

Why XLSX file is not opening?

Method 1.

But Excel since 2007 saves files in the XLSX format. A mismatch between file extension and Excel version may cause the error “Excel cannot open the file because the file format or file extension is not valid”. Therefore, all you need is to modify the file format and it will become available.

What is the shortcut to save an Excel file?

Use the shortcut F12 to display the Save As dialog box in Excel. Press CTRL + s to save an existing workbook. It's good practice to periodically save while you are working on your Excel file.

How do I save only part of an Excel spreadsheet?

The Table option will be available if you have selected all or part of a Table in your workbook. To save a specific range of cells, you need to select those cells before clicking File, Save As. Then in the Save As, Options dialog, choose the Selection option and click OK. Then click Save.

How do I save an Excel file as Xlsx 2016?

Select "Excel Workbook" from the menu. Select the location where you want to save your file, give it a name and click "Save." Your file will now be saved with the file extension . xlsx instead of . xls.

What is an XLSX file and how do I open it?

A file with the . xlsx file extension is a Microsoft Excel Open XML Spreadsheet (XLSX) file created by Microsoft Excel. You can also open this format in other spreadsheet apps, such as Apple Numbers, Google Docs, and OpenOffice.

Why is Excel not saving my formatting?

If you are saving it in the older Excel 97-2003 format, then it is possible that the losses you are seeing are due to the formatting not being supported in the older format. This is particularly true with colors and conditional formatting. The other possible cause is that the workbook file is corrupted in some manner.

Why is my Excel spreadsheet not saving?

If the Excel file is not saved when you run Excel in Windows safe mode, the issue may be caused by a third-party add-in or by a file that is in one of the Excel startup locations. By default, these files are loaded when you start Excel.

How do I convert an Excel file to old version?

Follow these steps:
  1. Click File > Export > Change File Type.
  2. Under Workbook File Types, double-click Excel 97-2003 Workbook (*.
  3. In the Save As popup window, choose a folder location for the workbook.
  4. In the File name box, type a new file name (or use the one that's already there).
  5. Click Save.

How do I open a XLSX file in Excel 2016?

xlsx file with this feature;
  1. Open MS Excel and Go to “File” Menu.
  2. Now, select the “Open” tab and click on “Browse.”
  3. Choose the file which you want to open, but instead of opening the file directly, choose “Open and Repair” option from the below right side of the opened window:

Can Excel 2010 Open XLSX files?

MS Excel saves Excel workbooks as XLSX or XLS file by default. Excel 2003 and earlier version save files as XLS, whereas Excel 2007 and later versions like the Excel 2010, Excel 2013, Excel 2016 and 2019 save files in XLSX file format.

How do I convert XLSX to Excel 2010?

How to convert a XLSX to a XLS file?
  1. Choose the XLSX file that you want to convert.
  2. Select XLS as the the format you want to convert your XLSX file to.
  3. Click "Convert" to convert your XLSX file.

How can I reduce my Excel file size?

  1. Do you want to know how to reduce your Excel file size?
  2. First, audit your large Excel file.
  3. Tip #1: Remove conditional formatting.
  4. Tip #2: Crop each worksheet to its used range.
  5. Tip #3: Remove unnecessary formulas.
  6. Tip #4: Compress pictures in Excel.
  7. Tip #5: Clear data formatting.
  8. Tip #6: Delete watches.

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