How to Clear Cache in Outlook Mac? – Quick Tutorial

Outlook Cache is a temporary storage space on your device where Microsoft Outlook saves essential data files to speed up loading and improve performance. Over time, however, this cache can become overloaded or corrupted, leading to issues such as slow performance, syncing errors, or even app crashes. Clearing the cache is a safe and effective way to fix these problems. When you clear Outlook cache on Mac, only temporary files are deleted your emails, contacts, calendar events, and other important data remain completely safe. If you’re wondering how to clear cache in Outlook Mac, this guide explains simple manual methods to do it easily, along with an expert OLM File Converter Tool for users who prefer an automated and more efficient approach.

When Should You Clear Outlook Cache on Mac?

If the cache data helps speed up Outlook’s performance, why should you delete it? It’s true that the cache allows Outlook to load data faster, so you don’t have to wait every time you open your mailbox. However, when these temporary files keep accumulating over time, they can cause the opposite effect slowing down Outlook’s performance and creating syncing problems.

Here’s what happens when you clear the cache:

• All outdated and unnecessary temporary files are removed.
• Microsoft Outlook reconnects and resyncs fresh data from the server, improving performance.
• While MS Outlook rebuilds the cache, you may notice a slight slowdown temporarily.
• A quick backup of Outlook data is created to prevent any data loss in rare cases.

Why Clearing Outlook Cache on Mac Is a Good Practice?

Clearing the cache in Outlook is similar to cleaning your desk, it helps you stay organized and improves efficiency. This simple step not only optimizes Outlook but also gives your Mac a performance boost. It’s recommended to clear the cache regularly, at least once a month, to maintain both Outlook and system health. The process becomes especially important after installing new macOS or Outlook updates. If you notice that Outlook takes longer to load, or if email syncing issues occur frequently, it’s time to refresh the cache. You can even schedule a specific day each week for this quick cleanup. Knowing how to clear cache in Outlook Mac ensures your Outlook runs faster, smoother, and stays free from unnecessary clutter.

How to Clear Cache in Outlook for Mac? – Multiple Methods

If you’re wondering how to clear cache in Outlook for Mac, here are several effective methods you can try based on your needs and comfort level:

1. Clear Cache via Folder Properties

• In the Outlook navigation pane, right-click the specific Exchange folder that’s causing issues.
• Select Properties, then choose Empty Cache.
• Outlook for Mac will automatically delete the old cache and download fresh data from the server.

2. Reset Your Outlook Account (For New Outlook for Mac)

• Navigate to Tools > Accounts and choose your email account.
• Click on the three dots (…) menu and select Reset Account.
• This action clears your local cache and forces Outlook to resync all mailbox data from scratch.

3. Manually Delete Cache Files from Finder

• Close Microsoft Outlook completely.
• Open Finder, then press Cmd + Shift + G to open the “Go to Folder” window.
• Enter ~/Library/Caches and delete the following folders: com.microsoft.Outlook, Containers/Microsoft Outlook/Data/Library/Caches or TemporaryItems/Outlook Temp
• Once done, relaunch Outlook to allow it to rebuild a clean cache.

4. Bonus Tip: Clear the Auto-Complete Cache

• Open a new email in Outlook and type an address you no longer want suggested in the To: field.
• Tick the small “X” next to the address to remove it from your auto-complete list.

One-Click Tools to Clear Outlook Cache on Mac

If you prefer an easier and faster way to manage Outlook’s performance, several reliable one-click tools can help. These apps make it simple to clear cached data without diving into system folders. Here are some recommended tools to help you learn how to clear cache in Outlook Mac with just a few clicks:

BuhoCleaner: Quick and Efficient Cache Removal

BuhoCleaner is one of the most popular cleaning utilities for Mac. It can detect and remove Outlook cache files within seconds. Here’s how you can use it:

• Launch BuhoCleaner on your Mac.
• Select the Flash Clean option and start a system scan.
• Type “Outlook” in the search bar and remove the listed cache files.

In addition to clearing Outlook cache, BuhoCleaner also eliminates other junk files, helping you free up disk space and improve overall Mac performance.

App Cleaner & Uninstaller + Funter: Deep Cache Cleanup

For a more thorough cleanup, you can use Funter and App Cleaner & Uninstaller together.

• Funter helps locate hidden Outlook cache folders even those buried deep within system directories.
• App Cleaner & Uninstaller then removes all detected Outlook cache files and can reset the app completely with a single click.

This powerful combination ensures every trace of old cache data is removed safely, allowing Outlook to rebuild a fresh, optimized cache.

How Often Should You Clear Outlook Cache on macOS?

It’s a good habit to clean the Outlook cache every few months or whenever you notice the app slowing down, lagging, or struggling to sync emails. Regular maintenance keeps Outlook responsive, prevents glitches, and ensures smooth operation over time. Keeping up with how to clear cache in Mac Outlook is an easy yet effective way to maintain both Outlook and your Mac’s performance.

Clear Outlook Cache on Mac without Losing Your Data

If you want to clear Outlook cache on Mac but also keep your mailbox data completely secure, the BitData Migration OLM Converter is your best solution. Sometimes, cache-related issues may indicate deeper problems such as a corrupted message database or damaged OLM files. In such cases, this professional tool ensures your important Outlook data stays safe while you resolve cache-related errors.

Here’s how the OLM Migrator helps:

• Safely extracts mailbox data such as emails, contacts, calendars, notes, and more.
• Allows you to save your data in multiple accessible formats like PST, PDF, EML, MSG, MBOX, HTML, CSV, ICS, DOC, Thunderbird, Gmail, IMAP, and more for easy backup or quick import.
• If manual cache clearing accidentally affects your original Outlook data, you can easily restore it from the secure backup created by the tool.

Final Thoughts

To keep both Outlook and your Mac running smoothly, it’s essential to regularly manage and clear Outlook cache. Doing so prevents slow performance, syncing errors, and random app crashes. You can follow the manual methods shared above or use trusted cleanup tools for faster results. However, if the issue goes beyond basic cache buildup, relying on a professional solution like OLM to PST Converter ensures safe data handling and effective troubleshooting. Remember learning how to clear cache in Outlook Mac isn’t just about freeing space; it’s about maintaining system health and safeguarding your valuable Outlook data.