SLK File Extension
Symbolic Link Format
- File Type slk
- Developer Microsoft
- Popularity
- Application Microsoft Excel
- Category Data Files, Spreadsheet Files
- Format Text
What is a SLK file?
Files with the SLK extension are associated with Symbolic Link Format and are categorized as Data Files and Spreadsheet Files, making up 6309 files.
The Symbolic Link Format (SLK), created by Microsoft, is one of file format they developed, and they also built 242 programs to support them.
SLK file support extends to various operating systems, including Windows, Mac OS and Linux. When working with SLK files, you can rely on 12 programs, including Microsoft Excel, OpenOffice Calc and NeoOffice.
File Signature
HEX code: 49 44 3B 50. ASCII code: ID;P.
Programs that support SLK files
How to open a SLK file?
If you can’t open a SLK file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.
When it comes to opening and working with SLK files, Microsoft Excel, OpenOffice Calc and NeoOffice are the top choices for users. If you want the most recent release of Microsoft Excel, head over to the Microsoft site and download the version designed to run on all platforms.
After successful installation, your operating system should seamlessly handle SLK files via Microsoft Excel.
Make Microsoft Excel the default SLK viewer
Changing Default Programs in Windows
- Right-click on your SLK file, then choose the "Open with" option and select "Choose another application" from the available options;
- Inside the popup window, scroll through the list of applications and specifically choose Microsoft Excel as the application to associate with your SLK file;
- Check the "Always use this app" checkbox and click "OK".
Change the default app to open files on Mac
- Right click or use Control + Left Click on the desired SLK file to access a dropdown menu of actions;
- Select "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.
Finding answers to SLK file problems
SLK files may present some challenges, but most can be easily addressed with minor software tweaks. See the troubleshooting tips below for guidance.
What Causes Microsoft Excel to Crash Frequently?
Microsoft Excel crashes can be caused by outdated software. Keep your Microsoft products up to date by installing the latest updates.
A computer restart is often the key to solving numerous common problems. That’s why, it is recommended to restart the computer before making any changes to the software settings.
How can I restore a damaged SLK file?
Use a data recovery program to open the damaged SLK file and from the menu choose "Repair" function to start the repair process. Allow the recovery process to complete, which will automatically repair the damaged data files.
What are the warning signs that my SLK file may be corrupted?
Common indications of damaged SLK data files are:
- Error messages appear during the course of working with the file;
- Editing the archive in Microsoft Excel results in slow or unresponsive behavior;
- Opening the file results in an error or a failed attempt;
- Unexpected expansion of the total size of the SLK file;
- Opening the file in Microsoft Excel or other programs causes them to hang or crash;
How to edit a SLK file?
To edit SLK files, it is essential to install software that supports not only viewing but also editing the data files. Online SLK editors provide limited functionality compared to full-featured software for Symbolic Link Format.
List of Top SLK editors 2026
With the mentioned criteria in mind, we have assembled a selection of SLK editors.
| SLK Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Microsoft Works | Microsoft | Windows | 4.9 out of 5 (42 reviews) |
| Microsoft Excel | Microsoft | Windows, Mac OS, Apple iOS, Android | 4.7 out of 5 (37 reviews) |
| OpenOffice Calc | OpenOffice | Windows, Mac OS, Linux | 4.6 out of 5 (44 reviews) |
| Corel Quattro Pro | Corel | Windows | 4.4 out of 5 (40 reviews) |
| LibreOffice Calc | TDF | Windows, Mac OS, Linux | 4.4 out of 5 (32 reviews) |
| PlanMaker | SoftMaker | Windows | 4.4 out of 5 (39 reviews) |
| NeoOffice | Planamesa | Mac OS | 4.2 out of 5 (40 reviews) |
Convert to and from SLK
If working with a SLK file is challenging, one solution is to convert it to formats like CSV, XLS, XLSX, ACCDB, SILK or other supported formats.
Keep in mind that converting a SLK file may introduce some limitations, but the original format can often be restored.
With applications like Corel Quattro Pro and Microsoft Works, you can convert SLK files offline while keeping the original quality intact.