How to Free Up Outlook and OneDrive Storage on iPad
Question details
The user needs to reduce the local storage space consumed by the Outlook and OneDrive apps on their iPad.

- Product
- Microsoft Outlook and OneDrive
- Device & OS
- iPadOS
- Scenario
- Managing iPad storage when cloud-based productivity apps consume several gigabytes of local space.
- Observed behavior
- Despite being cloud-based applications, Outlook and OneDrive use a significant amount of local storage (e.g., 2.1 GB and 3.2 GB respectively) for cached emails, attachments, and offline synchronization data.
Before clearing app data or reinstalling, verify that your iPad is connected to the internet and ensure all important recent emails and files have successfully synchronized to the cloud.
Clear Offline Files and Reset App Cache
Manually remove files set for offline use in OneDrive and reset your account in Outlook to clear accumulated cache data without deleting the apps.
Cloud apps automatically cache data to improve performance, but you can manually manage offline files and force a cache reset through the in-app settings.
Open the OneDrive app, go to the 'Me' tab, select 'Files Available Offline', and uncheck or remove files that you no longer need stored locally on your iPad.
Open the Outlook app, tap your profile picture or icon, navigate to Settings, select your email account, and tap 'Reset Account' to force a restart and clear the local cache.

Delete and Reinstall Apps
Completely remove the applications from your iPad to instantly wipe all local cached data, then reinstall them from the App Store.
Save iPad Storage with the Lightweight WPS Office
If standalone Microsoft applications are taking up too much storage on your iPad, consider switching to WPS Office. It provides an all-in-one, highly storage-efficient suite that minimizes local caching while remaining fully compatible with Microsoft formats.
- 1. Install WPS Office: Download WPS Office for free from the App Store on your iPad.
- 2. Connect cloud storage: Open WPS Office, navigate to the Cloud or Files tab, and log into your preferred cloud storage services.
- 3. Edit efficiently: Open, edit, and save your Microsoft Office files directly in the cloud without accumulating massive local app caches.

Frequently Asked Questions
Why do cloud apps like OneDrive and Outlook use so much local iPad storage?
To improve overall performance, offline accessibility, and loading times, these apps automatically cache recently accessed files, emails, and attachments locally. Over time, this cached data can accumulate and consume multiple gigabytes of local storage.
Will deleting the OneDrive app from my iPad erase my cloud files?
No. Deleting the OneDrive app only removes the application software and its local cache from your iPad. Your actual files remain safely stored and accessible in your remote Microsoft cloud account.
How can I check the exact local storage used by Outlook and OneDrive?
Go to your iPad Settings, tap 'General', and select 'iPad Storage'. Scroll down the list of installed apps to find Outlook and OneDrive; tapping on them will display the exact amount of local space they are consuming.




