A daily updated filename extension database!

XLW3 file extension

The table below provides useful information about the .xlw3 file extension. It answers questions such as:

  • What is the .xlw3 file?
  • What program do I need to open a .xlw3 file?
  • How can the .xlw3 file be opened, edited or printed?
  • How can I convert .xlw3 files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Microsoft Excel 3 for Mac Workbook Document

XLW3 file is a Microsoft Excel 3 for Mac Workbook Document. Microsoft Office Excel is a spreadsheet developed by Microsoft for Windows, macOS, Android and iOS.
XLW3 format description not yet available
Category: Document files
Application: Microsoft Excel
Mime-type: application/vnd.ms-excel
Magic number: -
Magic string: -
Sample: -
XLW3 aliases:
XLW3 related links:
XLW3 related extensions:
Microsoft Works Spreadsheet

Quattro Pro Spreadsheet

Microsoft Excel VBA Add-in

Microsoft Excel toolbar Setup

Microsoft Excel Chart File

Microsoft Excel Dialogue

Microsoft Excel XLS Backup

Microsoft Excel Macro Definition

Microsoft Excel Worksheet

Microsoft Excel Template

Other types of files may also use the .xlw3 file extension.

🚫 The .xlw3 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

lw3, xl3, xls3, xlw

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Vegaelec XL3 System Data
Microsoft Excel 3 for Mac Document
Microsoft Excel Workbook Document
Lightwright Show Data

🔴 Can't open a .xlw3 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .xlw3 file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .xlw3 file extension, write to us!

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