## Fixing Outlook’s High RAM Usage in 2026
Outlook is using too much RAM. To fix this, **try disabling hardware graphics acceleration, clearing the cache, and updating to the latest version**.
## Step-by-Step Guide to Fixing Outlook’s High RAM Usage
1. **Disable Hardware Graphics Acceleration**: Go to File > Options > Advanced, and uncheck the box next to “Disable hardware graphics acceleration”.
2. **Clear Outlook Cache**: Close Outlook, then delete the files in the “RoamCache” and “Stream_Autocache” folders.
3. **Update Outlook**: Go to File > Account > Update Options > Update Now.
4. **Disable Add-Ins**: Go to File > Options > Add-Ins, and disable any unnecessary add-ins.
5. **Repair Outlook**: Go to Control Panel > Programs and Features, find Microsoft Office, and click “Change” > “Repair”.
## Frequently Asked Questions
* **Q: Why is Outlook using so much RAM?**
A: Outlook’s high RAM usage can be caused by various factors, including large email attachments, numerous add-ins, and outdated software.
* **Q: Will disabling hardware graphics acceleration affect Outlook’s performance?**
A: Disabling hardware graphics acceleration may slightly affect Outlook’s visual performance, but it can help reduce RAM usage.
* **Q: How often should I clear Outlook’s cache?**
A: It’s recommended to clear Outlook’s cache every 1-2 months to maintain optimal performance.
* **Q: Can I fix Outlook’s high RAM usage without updating to the latest version?**
A: While updating to the latest version is recommended, you can still try the other steps to reduce RAM usage. However, updating may provide additional fixes and improvements.
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