Hello.
I've just tested it and everything seems fine.
Could you add SOGoDebugRequests = YES; and SOGoEASDebugEnabled = YES; to your sogo.conf and see the logs? At least see if the server received the sync request from outlook.

Thanks so much for the reply so i was checking the logs found a few of these
Apr 1 21:32:06 50ef43ec2b70 sogod [62]: <0x0x55aae3b51710[NGImap4Client]> Note: no key found for sorting, using 'DATE': (null)
Apr 1 21:32:06 50ef43ec2b70 sogod [62]: <0x0x55aae3cca940[SOGoActiveSyncDispatcher]> Change detected during Sync, we push the content.
Apr 1 21:32:06 50ef43ec2b70 sogod [62]: 192.168.7.254, 192.168.7.254 "POST /SOGo/Microsoft-Server-ActiveSync?Cmd=Sync&User=email@domain.com&DeviceId=0992D30109AC434F92476D75F88E7662&DeviceType=WindowsOutlook15 HTTP/1.0" 200 1203109/5086 0.563 - - 4K - 13

when enabling debug had a lot of info, what i found with more details was this

Apr 01 21:28:44 sogod [68]: <0x0x559e7a340ef0[NGImap4Client]> Note: no key found for sorting, using 'DATE': (null)
Apr 01 21:28:44 sogod [71]: |SOGo| starting method 'POST' on uri '/SOGo/Microsoft-Server-ActiveSync?Cmd=FolderSync&User=email@domain.com&DeviceId=0992D30109AC434F92476D75F88E7662&DeviceType=WindowsOutlook15'
Apr 01 21:28:44 sogod [68]: <0x0x559e79298380[SOGoActiveSyncDispatcher]> EAS - sortedBySequence (4929) - lastObject: 8442-14249
Apr 01 21:28:44 sogod [68]: <0x0x559e79298380[SOGoActiveSyncDispatcher]> EAS - allCacheObjects (2) - lastObject: 8443-14250
Apr 01 21:28:44 sogod [68]: <0x0x559e79298380[SOGoActiveSyncDispatcher]> EAS - found in cache: 0 k = 0Apr 01 21:28:44 sogod [71]: <0x0x559e7b0adf70[SOGoActiveSyncDispatcher]> EAS - request for device 0992D30109AC434F92476D75F88E7662: <?xml version="1.0"?>
<!DOCTYPE ActiveSync PUBLIC "-//MICROSOFT//DTD ActiveSync//EN" "http://www.microsoft.com/&quot;>
<FolderSync xmlns="FolderHierarchy:">
<SyncKey>50ef43ec2b70_43_2d9cc609_1</SyncKey>
</FolderSync>

Apr 01 21:28:44 sogod [68]: <0x0x559e79298380[SOGoActiveSyncDispatcher]> EAS - Dealing with cacheObject: 8442-14249
Apr 01 21:28:44 sogod [68]: <0x0x559e79298380[SOGoActiveSyncDispatcher]> EAS - Dealing with cacheObject: 8443-14250
Apr 01 21:28:44 sogod [68]: <0x0x559e79298380[SOGoActiveSyncDispatcher]> EAS - ADD!
Apr 01 21:28:44 sogod [68]: <0x0x559e79298380[SOGoActiveSyncDispatcher]> EAS - first uid added 8443
Apr 01 21:28:44 sogod [71]: <0x0x559e7b0adf70[SOGoActiveSyncDispatcher]> EAS - response for device 0992D30109AC434F92476D75F88E7662: <?xml version="1.0"?>
<!DOCTYPE ActiveSync PUBLIC "-//MICROSOFT//DTD ActiveSync//EN" "http://www.microsoft.com/&quot;>
<FolderSync xmlns="FolderHierarchy:">
<Status>1</Status>
<SyncKey>50ef43ec2b70_43_2d9cc609_1</SyncKey>
<Changes>
<Count>0</Count>
</Changes>
</FolderSync>

Apr 01 21:28:44 sogod [71]: |SOGo| request took 0.185004 seconds to execute
Apr 01 21:28:44 sogod [71]: 192.168.7.254, 192.168.7.254 "POST /SOGo/Microsoft-Server-ActiveSync?Cmd=FolderSync&User=email@domain.com&DeviceId=0992D30109AC434F92476D75F88E7662&DeviceType=WindowsOutlook15 HTTP/1.0" 200 50/38 0.187 - - 16K - 13
Apr 01 21:28:44 sogod [68]: <0x0x559e79298380[SOGoActiveSyncDispatcher]> Change detected during Sync, we push the content.
Apr 01 21:28:44 sogod [68]: <0x0x559e79298380[SOGoActiveSyncDispatcher]> EAS - response for device Nine165BDF2995B0: <?xml version="1.0"?>
<!DOCTYPE ActiveSync PUBLIC "-//MICROSOFT//DTD ActiveSync//EN" "http://www.microsoft.com/&quot;>
<Sync xmlns="AirSync:">

Well what happens after
Apr 01 21:28:44 sogod [68]: <0x0x559e79298380[SOGoActiveSyncDispatcher]> Change detected during Sync, we push the content.
Apr 01 21:28:44 sogod [68]: <0x0x559e79298380[SOGoActiveSyncDispatcher]> EAS - response for device Nine165BDF2995B0: <?xml version="1.0"?>
<!DOCTYPE ActiveSync PUBLIC "-//MICROSOFT//DTD ActiveSync//EN" "http://www.microsoft.com/&quot;>
<Sync xmlns="AirSync:">

?

hi there, after few hours it seems to load, i guess it takes a bit much longer then IMAP, i assume if i would want it to load as fast as imap would i need to change something on the config of SOGO?