Sync contacts between DATEV and Microsoft Exchange Web Services (EWS) with sync.blue®
This app combination is already being developed.
Use all contacts of DATEV and Microsoft Exchange Web Services (EWS) in both apps
Instead of having different contacts in DATEV and Microsoft Exchange Web Services (EWS), sync.blue® keeps them perfectly in sync. So you can use all contacts in both apps.



Take all your contacts (e.g. from DATEV or Microsoft Exchange Web Services (EWS)) with you on your smartphone
You are on the road and want to call one of your customers? No problem, because sync.blue® syncs your DATEV and Microsoft Exchange Web Services (EWS) contacts right to your smartphone. Call your customers wherever you are!
Fully automated sync between DATEV and Microsoft Exchange Web Services (EWS)
No manual interaction required anymore. sync.blue® keeps DATEV and Microsoft Exchange Web Services (EWS) contacts fully automated in sync - again and again.


Save time by avoiding manual data entry within DATEV and Microsoft Exchange Web Services (EWS)
Never export and import all your contacts over and over. sync.blue® saves a lot of your free time by syncing DATEV contacts with Microsoft Exchange Web Services (EWS) for you. Start doing something more valueable in your new free time.
Avoid and eliminate contact duplicates in DATEV and Microsoft Exchange Web Services (EWS)
Find, eliminate and avoid contact duplicates automatically. sync.blue® will save you a lot of hassle with this ugly topic everybody else struggles with - no matter if in DATEV or Microsoft Exchange Web Services (EWS).


Show caller ID of your DATEV or Microsoft Exchange Web Services (EWS) contacts on your phone
Make your phone know who is calling you. sync.blue® syncs your contacts from DATEV and Microsoft Exchange Web Services (EWS) right to your phone so it knows the caller ID already when it starts to ring. Make your caller smile and greet him personally when taking the call.
Reach more customers with newsletters and your other favourite marketing tools
Finally make use of all your contacts within your company your phone know who is calling you. sync.blue® syncs your DATEV and Microsoft Exchange Web Services (EWS) contacts by syncing them with your favourite marketing tool (newsletter, automation, live-chat,...). This is how you make money of your business contacts.


No software required - it all works in the cloud
Start easily and immediately. You do not need any kind of hardware, server or even technical skills. sync.blue® comes an easy and secure cloud service just syncing your contacts.

Microsoft Exchange Web Services (EWS)
Connect peers and partners to people, data and business opportunities more easily with the Microsoft Exchange Web Services (EWS) API. Exchange-Webdienste delivers a platform-agnostic API that lets applications access mailboxes, messages, appointments and contacts from Exchange Online or any other version of Microsoft's on-premises email systems like Exchange Server 2010. With EWS developers can innovate by integrating documents (such as contracts), content repositories (collaboration tools such as SharePoint), analytic engines (like Power BI) or line-of-business apps into their product environments all via rich RESTful interactions. Automatically processing outside events, these APIs also enable integrations across platforms through policy and permission changes without touching your production servers - leveling

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