Files with xls3 extension are used by the Microsoft Excel program. They were used as spreadsheet files.

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Software that works with xls3 file extension

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XLS3 file extension - Microsoft Excel 3 for Mac spreadsheet file

What is xls3 file? How to open xls3 files?

File type specification:

Spreadsheet and workbook file type icon Spreadsheet and workbook file type

xls3 file icon: xls3 filetype icon

The xls3 file extension is associated with Microsoft Excel, one of the most popular and powerful tool you can use to create format spreadsheets, graphs and much more.

The .xls3 files were used in Microsoft Excel 3 for Mac for spreadsheet files.

The default file extensions, that are used by Microsoft Excel, are XLS or since Microsoft Office 2007 the XLSX.

The default software associated to xls3 file type:

Microsoft Office for Mac icon

Microsoft Corporation logoMicrosoft Office for Mac  Apple macOS / Mac OS X software

Company or developer:
Microsoft Corporation

Microsoft Office for Mac is popular office suite that contains a set of applications and services used to work with documents (Microsoft Word), spreadsheets (Microsoft Excel), presentations (Microsoft Powerpoint) and manage e-mail accounts, tasks, calendars and contacts (Microsoft Outlook).

Help how to open XLS3 files:

Use Microsoft Excel 3 to open the .xls3 files.

How to convert file with extension XLS3:

As far as we know, this .xls3 file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of software applications associated to the .xls3 file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux etc.) and possible program actions
that can be done with the file
: like open xls3 file, edit xls3 file, convert xls3 file, view xls3 file, play xls3 file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is ableto perform the specified software action, such as opening, editing or converting xls3 files.

  • Open xls3 file
  • Others xls3 file

Software that open xls3 file - Microsoft Excel 3 for Mac spreadsheet file

Click on the link to get more information about listed programs for open xls3 file action.

Microsoft Windows:

Apple macOS / Mac OS X:

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XLS file extension

File-Extensions.org > Spreadsheet and workbook file types

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file extension XLS4

 

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