XLTHTML File Extension

What is XLTHTML file?

XLTHTML filename suffix is mostly used for Microsoft Excel HTML Spreadsheet Template files. Microsoft Excel HTML Spreadsheet Template specification was created by Microsoft. XLTHTML files are supported by software applications available for devices running Mac OS, Windows. Files with XLTHTML extension are categorized as Spreadsheet Files files. The Spreadsheet Files subset comprises 100 various file formats. Users are advised to use Microsoft Excel software for managing XLTHTML files, although 2 other programs can also handle this type of file. Microsoft Excel software was developed by Microsoft Corporation, and on its official website you may find more information about XLTHTML files or the Microsoft Excel software program.

Programs which support XLTHTML file extension

Below you will find an index of software programs that can be used to open XLTHTML files divided into 2 categories according to system platform supported. Files with XLTHTML extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

How to open file with XLTHTML extension?

Problems with accessing XLTHTML may be due to various reasons. Fortunately, most common problems with XLTHTML files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Install Microsoft Excel software

Problems with opening and working with XLTHTML files are most probably having to do with no proper software compatible with XLTHTML files being present on your machine. This one is an easy one. Select Microsoft Excel or one of the recommended programs (for example, Microsoft Office) and download it from appropriate source and install on your system. Above you will find a complete listing of programs that support XLTHTML files, classified according to system platforms for which they are available. The safest method of downloading Microsoft Excel installed is by going to developer’s website (Microsoft Corporation) and downloading the software using provided links.

Step 2. Verify the you have the latest version of Microsoft Excel

You still cannot access XLTHTML files although Microsoft Excel is installed on your system? Make sure that the software is up to date. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. This can be one of the causes why XLTHTML files are not compatible with Microsoft Excel. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Microsoft Excel.

Step 3. Assign Microsoft Excel to XLTHTML files

If you have the latest version of Microsoft Excel installed and the problem persists, select it as the default program to be used to manage XLTHTML on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Selecting the first-choice application in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the XLTHTML file
• Click Choose another app and then select More apps option
• To finalize the process, select Look for another app on this PC entry and using the file explorer select the Microsoft Excel installation folder. Confirm by checking Always use this app to open XLTHTML files box and clicking OK button.

Selecting the first-choice application in Mac OS

• Right-click the XLTHTML file and select Information
• Find the Open with option – click the title if its hidden
• From the list choose the appropriate program and confirm by clicking Change for all....
• Finally, a This change will be applied to all files with XLTHTML extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Check the XLTHTML for errors

Should the problem still occur after following steps 1-3, check if the XLTHTML file is valid. Being unable to access the file can be related to various issues.

1. The XLTHTML may be infected with malware – make sure to scan it with an antivirus tool.

If the XLTHTML is indeed infected, it is possible that the malware is blocking it from opening. Scan the XLTHTML file as well as your computer for malware or viruses. If the scanner detected that the XLTHTML file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Ensure the file with XLTHTML extension is complete and error-free

If the XLTHTML file was sent to you by someone else, ask this person to resend the file to you. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. If the XLTHTML file has been downloaded from the internet only partially, try to redownload it.

3. Check if the user that you are logged as has administrative privileges.

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the Microsoft Excel HTML Spreadsheet Template file.

4. Verify that your device fulfills the requirements to be able to open Microsoft Excel

If the systems has insufficient resources to open XLTHTML files, try closing all currently running applications and try again.

5. Ensure that you have the latest drivers and system updates and patches installed

Latest versions of programs and drivers may help you solve problems with Microsoft Excel HTML Spreadsheet Template files and ensure security of your device and operating system. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle XLTHTML files.

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