Lesson 39 of 40
Productivity
Intermediate
30 min
Extensions & Customizing VS 2026
Supercharge your VS 2026 setup with essential extensions, custom snippets, Copilot instructions, and workspace settings.
Part 1: Top Extensions for VS 2026
| Extension | Purpose |
|---|---|
| VSColorOutput64 | Colorized output window |
| Roslynator | 500+ C# code fixes |
| SpecFlow | BDD/Gherkin test runner |
| SQLiteToolkit | SQLite DB browser in VS |
| Markdown Editor Pro | Live preview markdown |
| CodeMaid | Code cleanup automation |
Part 2: Custom Code Snippets
Create your own snippets via Tools → Code Snippets Manager:
<!-- myapi.snippet -->
<Snippet>
<Code Language="CSharp">
<![CDATA[
[HttpGet("$endpoint$")]
public async Task<IActionResult> $method$()
{
$end$
}
]]>
</Code>
</Snippet>
<Snippet>
<Code Language="CSharp">
<![CDATA[
[HttpGet("$endpoint$")]
public async Task<IActionResult> $method$()
{
$end$
}
]]>
</Code>
</Snippet>
Part 3: Copilot Custom Instructions
Add a .github/copilot-instructions.md to your repo to customize Copilot behavior for your project. Example content:
# Coding Standards
- Use primary constructors for all new classes
- All public APIs require XML documentation
- Use Result<T> for error handling, not exceptions
- Prefer records for DTOs and value objects
- Use primary constructors for all new classes
- All public APIs require XML documentation
- Use Result<T> for error handling, not exceptions
- Prefer records for DTOs and value objects
Part 4: Settings Sync
VS 2026 syncs settings across machines via your Microsoft/GitHub account:
- Keyboard shortcuts
- Editor fonts and themes
- Extension list (with auto-install)
- Window layouts
