Excel Out of Memory Error Windows 11 Fix [2026]

Quick Answer: Excel runs out of memory due to large files or add-ins. Close other apps, disable COM add-ins, and increase page file size.

Fix

Free up RAM by closing unnecessary applications.

File → Options → Add-ins → Manage COM Add-ins → Go → Uncheck all

System Properties → Advanced → Performance → Settings → Advanced → Virtual Memory → Set to 8192 MB

Againly runs check_memory_pressure to detect memory issues.

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Instant Resolution

Stop wrestling with registry keys and driver settings. Let Againly automate the fix for you right now.

Works on Windows 10 & 11 • No credit card required