Known _SLN90 Files

Chief _SLN90 Description

._SLN90

File Format:	._sln90
Class:	Microsoft Visual Studio File

A file extension associated with Microsoft Visual Studio, an integrated development environment used to create applications for various platforms. The file contains data for Microsoft Visual Studio.

Author:	Microsoft Corporation
Division:	Data Files
Location:	HKEY_CLASSES_ROOT\._sln90

Software Programs That Open The Microsoft Visual Studio File:

Microsoft Visual Studio by Microsoft Corporation

Windows

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Sources of _SLN90 Problems

Frequent _SLN90 Opening Issues

Microsoft Visual Studio is Not Installed

You encounter an error message such as "%%os%% Can't Open _SLN90 Files" when trying to open your _SLN90. Generally, this is experienced in %%os%% because Microsoft Visual Studio isn't installed on your PC. This will prevent you from double-clicking to open the _SLN90 file because the OS doesn’t know how to handle it.

Tip: If you don't have Microsoft Visual Studio installed, and you know of another program to open your _SLN90 file, you can try opening it by selecting from the programs listed under "Show Apps".

Obsolete Version of Microsoft Visual Studio

In some cases, you might have a newer (or older) version of a Microsoft Visual Studio File file that is unsupported by your installed application version. Visit the Microsoft Corporation website to download (or purchase) the latest version of Microsoft Visual Studio. This problem is predominately due to having a Microsoft Visual Studio File file version that was created by a newer version of Microsoft Visual Studio than what you have installed on your PC.

Tip: Right-clicking on your _SLN90, then clicking "Properties" (Windows) or "Get Info" (Mac), can provide clues about your file version.

Conclusion: The majority of _SLN90 file opening issues are due to not having the correct Microsoft Visual Studio version installed.

Other Causes of _SLN90 File Opening Problems

Assuming you have the right Microsoft Visual Studio version installed, other problems can prevent you from opening _SLN90 files. There can be other issues - unrelated to software - preventing you from opening _SLN90 files. These other problems include (listed in order from most to least common):

• Corrupt Windows Registry file path references for _SLN90
• Accidental deletion of the description of the _SLN90 file in the Windows registry
• Invalid installation of a _SLN90-associated program (eg. Microsoft Visual Studio)
• Something has caused file corruption of your _SLN90
• _SLN90 file integrity has been compromised by malware
• Device drivers for _SLN90-related hardware are out-of-date
• Windows has inadequate resources to open your Microsoft Visual Studio File file