XLSHTML File Extension

Microsoft Excel HTML Spreadsheet

File Type xlshtml
Developer Microsoft
Popularity
4.8 (37 votes)
Application Microsoft Excel
Category Document Files

What is a XLSHTML file?

The XLSHTML extension is related to Microsoft Excel HTML Spreadsheet and is classified in the Document Files category, which contains 969 files.

The Microsoft Excel HTML Spreadsheet (XLSHTML) was developed by Microsoft, which created file format and 242 programs to work with them.

XLSHTML files are supported by Mac OS and Windows. To open a XLSHTML file, you can choose from 2 programs such as Microsoft Excel and Microsoft Office.

Windows

Mac OS

How to open a XLSHTML file?

If you cannot open a XLSHTML file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.

Microsoft Excel and Microsoft Office stand out as the preferred programs to manage XLSHTML files effectively. To install the current version of Microsoft Excel, go directly to the official Microsoft website. The universal package for all operating systems is available there.

After successful installation, your operating system should seamlessly handle XLSHTML files via Microsoft Excel.

Set Microsoft Excel as the default XLSHTML program

Change Default Program on Mac

Right click or Control + left click on the desired XLSHTML file;
Choose "Open in Application" and click "Other";
Go to the lower section of the window, where you will find the "Enable" menu. By default, it is set to "Recommended Programs";
Select "All Programs" from this menu and proceed to search for Microsoft Excel. Check the box next to "Always open in app" to set it as the default option.

Set default programs for Windows

Start by right-clicking on your XLSHTML file, then select the "Open with" option and choose "Choose another app" from the menu that appears;
In the pop-up window, select the Microsoft Excel application;
Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening XLSHTML files.

Convert files to and from XLSHTML

For difficult XLSHTML files, try converting them to formats like XLS or similar formats to improve usability.

Be aware that converting a XLSHTML file may reduce some features, but you can usually revert it to the original format.

Convert XLSHTML to other file formats

XLSHTML to XLS

Solve problems with XLSHTML files

XLSHTML files may present some challenges, but most can be easily addressed with minor software tweaks. See the troubleshooting tips below for guidance.

What are the ways to check if my XLSHTML file is damaged?

XLSHTML document files that have become corrupted may display one or more of the following symptoms:

The file does not respond or shows errors when opening it;
The file exhibits poor performance during editing operations in Microsoft Excel;
The file stops responding or freezes in Microsoft Excel or other programs;
Unexplained XLSHTML file size inflation;
Actions performed on the file result in the appearance of error notifications;

Why does Microsoft Excel crash or shut down frequently?

Insufficient updates for Microsoft products can cause Microsoft Excel to crash. Be sure to regularly install the latest software updates.

Restarting your computer will solve many common problems, which is why it’s the first thing you should do before changing any settings related to the software.

Is there any specific software or utility that can help repair a damaged XLSHTML file?

Use a recovery program to open the damaged XLSHTML file, and in the menu, click "Repair" to start the repair operation. Wait for the recovery process to finish, allowing automatic repair of damaged document files.

How to edit a XLSHTML file?

To make changes to XLSHTML files, you need specialized software that allows both opening and editing the document files. Online XLSHTML editors offer fewer capabilities than applications optimized for Microsoft Excel HTML Spreadsheet.

Best XLSHTML Editor Software in 2026

With the mentioned criteria in mind, we have assembled a selection of XLSHTML editors.

XLSHTML Editor Software	Developer	Platforms	Overall Rating
Microsoft Excel	Microsoft	Windows, Mac OS, Apple iOS, Android	4.7 out of 5 (37 reviews)

‹ XLSM | XLSB ›