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How to Fix Excel iPhone App Signing Into the Wrong Microsoft Account
Question details
The Excel app on an iPhone automatically redirects the user to an old Microsoft account during sign-in instead of the current one.
- Product
- Microsoft Excel
- Device & OS
- iOS
- Scenario
- A user attempts to sign into the Excel app on their iPhone using a new Microsoft 365 account, but the app forces sign-in with a previous account.
- Observed behavior
- The sign-in process redirects to an old account, ignoring the new credentials, likely due to cached data, old mail accounts, or leftover browser sessions.
Ensure you have your active Microsoft 365 email address and password ready, and verify that any locally saved files on your iPhone are backed up to a cloud service before uninstalling the app.
Clear iOS Cache, Remove Old Accounts, and Reinstall Excel
This comprehensive method removes leftover cached credentials from iOS, Safari, and Mail, ensuring a clean slate for your new account login.
iOS securely stores app data and browser cookies. If you previously signed into Microsoft services via Safari or Apple Mail, iOS might use those cached credentials to automatically sign you in. Clearing these components forces a fresh login session.
Go to Settings > General > iPhone Storage. Find Excel (or Microsoft 365 apps), tap it, and select 'Delete App' to remove the app completely along with its residual data.
Go to Settings > Safari. Scroll down and tap 'Clear History and Website Data' to remove any cached Microsoft login sessions stored in your mobile browser.
Go to Settings > Mail > Accounts. Check if the old Microsoft account is listed here. If it is, tap on it and select 'Delete Account'.
Open the App Store, search for Microsoft Excel, and download it again. Launch the app and sign in using your active Microsoft 365 account credentials.
Sign Out Manually from the Excel App
Use this method if you are able to access the app's account menu before it redirects, allowing a straightforward sign-out process.
Try WPS Office for a Hassle-Free Mobile Experience
If Microsoft Excel account issues are slowing you down, consider switching to WPS Office. It provides a lightweight, highly compatible, and free alternative for opening, editing, and managing spreadsheets on your iPhone without complex subscription login loops.
- 1. Download WPS Office from the App Store: Search for WPS Office in the iOS App Store and install the application on your iPhone.
- 2. Open Your Spreadsheets: Launch WPS Office, tap 'Files', and browse your local storage or connect a cloud drive to open your existing Excel files.
- 3. Edit and Save Seamlessly: Make edits using the familiar interface and save directly in .xlsx format without worrying about account sync errors.
Frequently Asked Questions
Why does my iPhone keep remembering my old Microsoft account?
iOS securely stores app data, passwords, and browser cookies to make signing in faster. If you previously signed into Microsoft services via Safari, Mail, or other Office apps, iOS retains those cached credentials and applies them to Excel automatically.
Will deleting the Excel app delete my spreadsheets?
If your spreadsheets are saved to a cloud service like OneDrive or iCloud, they are safe and will sync back when you log in. However, if they are saved locally in the 'On My iPhone' folder, deleting the app may delete those files. Always back them up first.
How do I stop Microsoft Office from automatically signing in on iOS?
To prevent auto sign-in, you need to clear the cached credentials. This involves deleting your Safari browser history and website data, removing the associated email account from your iPhone's Mail settings, and performing a fresh install of the Office app.
