Files with _xls extension are mostly worksbooks or their renamed backups from Microsoft Excel spreadsheet editor distributed as a part of Microsoft Office suite. 

Detailed description

Software that open _xls file

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_XLS file extension - Microsoft Excel workbook

What is _xls file? How to open _xls files?

File type specification:

Spreadsheet and workbook file type icon Spreadsheet and workbook file type

File extension _xls is associated with the Microsoft Excel. File contains Excel workbook (spreadsheet).

The _xls file extension is not default file extension used by the Excel. Excel uses file extension xls, but some e-mail clients rename xls to _xls to protect computer against malicious macros, that can contain Excel spreadsheets.

When they rename xls to _xls Excel can not open this spreadsheet. If you save the Excel spreadsheet with _xls file extension to the computer and rename the file extension to xls, Excel will be able to open this file.

Updated: November 10, 2023

The default software associated to open _xls file:

Microsoft Excel icon

Microsoft Corporation logoMicrosoft Excel  Microsoft Windows software

Company or developer:
Microsoft Corporation

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.

Microsoft Excel Viewer icon

Microsoft Corporation logoMicrosoft Excel Viewer  Microsoft Windows software

Company or developer:
Microsoft Corporation

Microsoft Excel Viewer is a free viewer for Excel spreadsheets and workbooks.

Microsoft Excel for Mac icon

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

Company or developer:
Microsoft Corporation

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.

Help how to open:

Use Microsoft Excel to open *._xls workbook files.

How to convert:

The *._xls can be converted much like any other *.xls or *.xlsx Excel spreadsheet.

Find conversions from _xls file:

_xls to xls

_xls to xlsb

_xls to xlshtml

_xls to xlsm

_xls to xlsmhtml

_xls to xlsx

_xls to xlxml

List of software applications associated to the ._xls file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open _xls file, edit _xls file, convert _xls file, view _xls file, play _xls 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 able to perform the specified software action, such as opening, editing or converting _xls files.

Software that open _xls file - Microsoft Excel workbook

Programs supporting the exension _xls on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open _xls file action.

Microsoft Windows:

Apple macOS / Mac OS X:

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