XLTX File Extension

What is XLTX file?

Full format name of files that use XLTX extension is Excel Open XML Spreadsheet Template. Microsoft defined the Excel Open XML Spreadsheet Template format standard. XLTX files are supported by software applications available for devices running , Mac OS, Windows. Files with XLTX extension are categorized as Spreadsheet Files files. The Spreadsheet Files subset comprises 100 various file formats. Microsoft Excel supports XLTX files and is the most frequently used program to handle such files, yet 8 other tools may also be used. Software named Microsoft Excel was created by Microsoft Corporation. In order to find more detailed information on the software and XLTX files, check the developer’s official website.

Programs which support XLTX file extension

The following list contains programs grouped by 3 operating systems that support XLTX files. XLTX files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

How to open file with XLTX extension?

Being unable to open files with XLTX extension can be have various origins. Fortunately, most common problems with XLTX files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. We have prepared a listing of which will help you resolve your problems with XLTX files.

Step 1. Install Microsoft Excel software

Problems with opening and working with XLTX files are most probably having to do with no proper software compatible with XLTX files being present on your machine. This issue can be addressed by downloading and installing Microsoft Excel or different compatible program, such as PlanMaker, IBM Lotus Symphony, PlanMaker Viewer. The full list of programs grouped by operating systems can be found above. If you want to download Microsoft Excel installer in the most secured manner, we suggest you visit Microsoft Corporation website and download from their official repositories.

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

You still cannot access XLTX files although Microsoft Excel is installed on your system? Make sure that the software is up to date. Software developers may implement support for more modern file formats in updated versions of their products. This can be one of the causes why XLTX 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. Associate Excel Open XML Spreadsheet Template files with Microsoft Excel

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 XLTX 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.

Change the default application in Windows

• Right-click the XLTX file and choose Open with option
• Next, select the Choose another app option and then using More apps open the list of available applications
• Finally select Look for another app on this PC, point to the folder where Microsoft Excel is installed, check the Always use this app to open XLTX files box and conform your selection by clicking OK button

Change the default application in Mac OS

• From the drop-down menu, accessed by clicking the file with XLTX extension, select Information
• Proceed to the Open with section. If its closed, click the title to access available options
• Select the appropriate software and save your settings by clicking Change all
• A message window should appear informing that This change will be applied to all files with XLTX extension. By clicking Continue you confirm your selection.

Step 4. Check the XLTX for errors

Should the problem still occur after following steps 1-3, check if the XLTX file is valid. It is probable that the file is corrupted and thus cannot be accessed.

1. Verify that the XLTX in question is not infected with a computer virus

If the file is infected, the malware that resides in the XLTX file hinders attempts to open it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. XLTX file is infected with malware? Follow the steps suggested by your antivirus software.

2. Verify that the XLTX file’s structure is intact

If the XLTX 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. When downloading the file with XLTX extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

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 in using an administrative account and see If this solves the problem.

4. Check whether your system can handle Microsoft Excel

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

5. Verify that your operating system and drivers are up to date

Latest versions of programs and drivers may help you solve problems with Excel Open XML 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 XLTX files.

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