XLST File Extension

What is XLST file?

XLST is a file extension commonly associated with OnlyOffice Online Office Converted Xlsx Spreadsheet Format files. XLST files are supported by software applications available for devices running Windows. Files with XLST extension are categorized as Text Files files. The Text Files subset comprises 440 various file formats. The most popular software that supports XLST files is OnlyOffice. Software named OnlyOffice was created by Ascensio System SIA. In order to find more detailed information on the software and XLST files, check the developer’s official website.

Programs which support XLST file extension

Programs that can handle XLST files are as follows. XLST files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Updated: 05/05/2020

How to open file with XLST extension?

Being unable to open files with XLST extension can be have various origins. On the bright side, the most encountered issues pertaining to OnlyOffice Online Office Converted Xlsx Spreadsheet Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The list below will guide you through the process of addressing the encountered problem.

Step 1. Install OnlyOffice software

The main and most frequent cause precluding users form opening XLST files is that no program that can handle XLST files is installed on user’s system. The solution is straightforward, just download and install OnlyOffice. Above you will find a complete listing of programs that support XLST files, classified according to system platforms for which they are available. The safest method of downloading OnlyOffice installed is by going to developer’s website (Ascensio System SIA) and downloading the software using provided links.

Step 2. Update OnlyOffice to the latest version

If the problems with opening XLST files still occur even after installing OnlyOffice, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of OnlyOffice is available. Software developers may implement support for more modern file formats in updated versions of their products. The reason that OnlyOffice cannot handle files with XLST may be that the software is outdated. The latest version of OnlyOffice should support all file formats that where compatible with older versions of the software.

Step 3. Associate OnlyOffice Online Office Converted Xlsx Spreadsheet Format files with OnlyOffice

If you have the latest version of OnlyOffice installed and the problem persists, select it as the default program to be used to manage XLST on your device. The method is quite simple and varies little across operating systems.

The procedure to change the default program in Windows

• Clicking the XLST with right mouse button will bring a menu from which you should select the Open with option
• Click Choose another app and then select More apps option
• Finally select Look for another app on this PC, point to the folder where OnlyOffice is installed, check the Always use this app to open XLST files box and conform your selection by clicking OK button

The procedure to change the default program in Mac OS

• From the drop-down menu, accessed by clicking the file with XLST extension, select Information
• Open the Open with section by clicking its name
• From the list choose the appropriate program and confirm by clicking Change for all....
• If you followed the previous steps a message should appear: This change will be applied to all files with XLST extension. Next, click the Continue button to finalize the process.

Step 4. Check the XLST for errors

Should the problem still occur after following steps 1-3, check if the XLST file is valid. Problems with opening the file may arise due to various reasons.

1. Check the XLST file for viruses or malware

If the file is infected, the malware that resides in the XLST file hinders attempts to open it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. XLST file is infected with malware? Follow the steps suggested by your antivirus software.

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

If you obtained the problematic XLST file from a third party, ask them to supply you with another copy. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. When downloading the file with XLST extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Ensure that you have appropriate access rights

Some files require elevated access rights to open them. Log in using an administrative account and see If this solves the problem.

4. Make sure that the system has sufficient resources to run OnlyOffice

If the system is under havy load, it may not be able to handle the program that you use to open files with XLST extension. In this case close the other applications.

5. Check if you have the latest updates to the operating system and drivers

Latest versions of programs and drivers may help you solve problems with OnlyOffice Online Office Converted Xlsx Spreadsheet Format files and ensure security of your device and operating system. It is possible that one of the available system or driver updates may solve the problems with XLST files affecting older versions of given software.

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