When your staff notice that emails take a long time to sync on their mobile devices, it usually means the connection between their phone and the email server isn't working efficiently. This delay can be caused by several factors such as slow internet, large volumes of email data, or the way the mobile device communicates with Microsoft 365's servers. Essentially, the phone has to download and update all new messages, calendar events, and contacts, which can take time if the setup isn't optimised.
Why this matters for Australian SMBs
Slow email syncing affects more than just convenience. For small and mid-sized businesses in Australia, delays can reduce staff productivity, especially for employees who rely on timely email access while out of the office or working remotely. It can also impact customer trust if responses are late, and increase the risk of missing critical communications. Additionally, slow syncing might cause users to repeatedly retry sending emails, which can lead to duplicate messages or confusion.
A common scenario
Consider a 50-person Australian consulting firm using Microsoft 365. Their consultants often work from client sites using mobile phones. They notice emails take several minutes to appear on their devices, causing delays in responding to client requests. Their IT provider investigates and finds that some phones are set to sync emails over a slow mobile network, while others have outdated email app versions that don't handle Microsoft 365's protocols efficiently. The IT provider updates the email apps, adjusts sync settings to prioritise recent emails, and recommends connecting to Wi-Fi where possible. This reduces syncing time and improves responsiveness.
Checklist: What you can do
- Ask your IT provider: How are mobile devices configured to sync Microsoft 365 emails? Are they using recommended protocols like Exchange ActiveSync?
- Check network quality: Are employees using reliable Wi-Fi or mobile data? Is the mobile network coverage strong in their work areas?
- Update email apps: Ensure all mobile devices have the latest version of the Microsoft Outlook app or native mail app compatible with Microsoft 365.
- Review mailbox size: Large mailboxes with many folders or old emails can slow syncing. Archiving old emails or cleaning up mailboxes can help.
- Manage sync settings: Limit sync to recent emails or specific folders rather than syncing the entire mailbox.
- Security checks: Confirm multi-factor authentication and security policies aren't causing repeated login prompts or sync failures.
Next steps
Slow email syncing on mobiles is a common issue that can be addressed with the right technical setup and network conditions. Discuss these points with your managed IT provider or an IT advisor who understands Microsoft 365 and mobile device management. They can assess your current environment, optimise configurations, and help your team stay connected efficiently without unnecessary delays.