How to Use SVGs in SharePoint
Modern SharePoint supports SVG in most contexts — with a few rendering rules worth knowing before you standardize.
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Supports PNG, JPG, BMP, WEBP up to 5MB
Where SVG Works
Modern SharePoint handles SVGs in image web parts, site logos, and stored library assets — upload to Site Assets and reference from web parts for sharp branding at every screen density. Site logo SVGs are the standout win: one file stays crisp across headers, mobile, and hub navigation.
- Site logos as SVG stay sharp everywhere at any density
- Image web parts render SVGs from Site Assets libraries
- One asset library serves the whole site collection
Quirks and Governance
Tenant security settings can affect SVG handling since SVGs can embed scripts — some tenants serve them with headers forcing download in certain contexts. For intranet branding packages, sanitize SVGs (strip scripts/foreign objects) before upload, and test in both modern web parts and any classic pages still in service.
- Sanitize SVGs before org-wide deployment (strip scripts)
- Tenant policies may force-download SVGs in some contexts
- Classic pages have weaker SVG support than modern
Frequently Asked Questions
Why does my SVG download instead of displaying?
A tenant or library policy is serving it with a download disposition, typically as script-safety hardening. Use the image web part with Site Assets storage, or check with your tenant admin.
What's the best format for a SharePoint site logo?
SVG, if your tenant renders it — it's the only format sharp at every size the logo appears. Keep a PNG fallback for contexts that reject vectors.
Related guides
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