Most users, especially those will laptops, will want Outlook to operate in Cached mode but you likely don't want Outlook caching on boardroom / focus room / huddle room / client room computers. Cache mode copies a large amount of data from the Exchange server to an .OST file on local PC and in a boardroom that:
- takes a few minutes users seldom have in a meeting
- opens a security hole by putting potentially sensitive email on another computer
- take up considerable space, especially if you have hundreds of users
Outlook Cached Mode Vs Online Mode
So what you need to do is leave Outlook's default settings of caching 1 year of mail on the users primary computer but block Outlook caching on shared computers like boardrooms. The problem is that Outlooks cached mode settings in HKey_Current_User (HKCU) and you need to apply it only to some computers.
To this, you simple need to set ITEM LEVEL TARGETING. Unfortunately most GPO's do not have ITEM LEVEL TARGETING as an option and that includes CACHED EXCHANGE MODE GPO. Fortunately registry changes do and so all you have to figure out is what registry change you need to make. We have the answer:
How to Disable Cached Mode in Outlook. Exchange mail accounts by default use cached exchange mode, which makes Outlook store your recent messages and contacts on your computer for easier access. This policy setting allows you to configure the amount (by date) of user email Outlook synchronizes locally using Cached Exchange Mode. If you enable this policy setting, you can specify the time-window of email messages that Outlook synchronizes to users' computers.
We use outlook 2016, thunderbird and the exchange server is office 365 tenant. We use different operating systems, such as mac/ubuntu/fedora/widnows to access emails which makes hard to stick to local group policy to block storing offline cache copies. We are trying to disable storing emails offline.
- Create new or edit an existing GPO
- Expand USER CONFIGURATION > PREFERENCES > WINDOWS SETTINGS > REGISTRY
- Right click and CREATE NEW
- Set SoftwarePoliciesMicrosoftOffice16.0outlookost VALUE=NoOST REG_DWORD=2
- Click the COMMON > ITEM-LEVEL TARGETING > TARGETING… (button)
- Click NEW and add the condition you want. In the screen shots below I set it any computer in the OU = KIOSKS
Click on these screen shots to enlarge them
Most users, especially those will laptops, will want Outlook to operate in Cached mode but you likely don't want Outlook caching on boardroom / focus room / huddle room / client room computers. Cache mode copies a large amount of data from the Exchange server to an .OST file on local PC and in a boardroom that:
Outlook 2010 Disable Cached Mode
- takes a few minutes users seldom have in a meeting
- opens a security hole by putting potentially sensitive email on another computer
- take up considerable space, especially if you have hundreds of users
So what you need to do is leave Outlook's default settings of caching 1 year of mail on the users primary computer but block Outlook caching on shared computers like boardrooms. The problem is that Outlooks cached mode settings in HKey_Current_User (HKCU) and you need to apply it only to some computers.
To this, you simple need to set ITEM LEVEL TARGETING. Unfortunately most GPO's do not have ITEM LEVEL TARGETING as an option and that includes CACHED EXCHANGE MODE GPO. Fortunately registry changes do and so all you have to figure out is what registry change you need to make. We have the answer:
Cached Exchange Mode Outlook 2016
We use outlook 2016, thunderbird and the exchange server is office 365 tenant. We use different operating systems, such as mac/ubuntu/fedora/widnows to access emails which makes hard to stick to local group policy to block storing offline cache copies. We are trying to disable storing emails offline.
- Create new or edit an existing GPO
- Expand USER CONFIGURATION > PREFERENCES > WINDOWS SETTINGS > REGISTRY
- Right click and CREATE NEW
- Set SoftwarePoliciesMicrosoftOffice16.0outlookost VALUE=NoOST REG_DWORD=2
- Click the COMMON > ITEM-LEVEL TARGETING > TARGETING… (button)
- Click NEW and add the condition you want. In the screen shots below I set it any computer in the OU = KIOSKS
Click on these screen shots to enlarge them
Most users, especially those will laptops, will want Outlook to operate in Cached mode but you likely don't want Outlook caching on boardroom / focus room / huddle room / client room computers. Cache mode copies a large amount of data from the Exchange server to an .OST file on local PC and in a boardroom that:
Outlook 2010 Disable Cached Mode
- takes a few minutes users seldom have in a meeting
- opens a security hole by putting potentially sensitive email on another computer
- take up considerable space, especially if you have hundreds of users
So what you need to do is leave Outlook's default settings of caching 1 year of mail on the users primary computer but block Outlook caching on shared computers like boardrooms. The problem is that Outlooks cached mode settings in HKey_Current_User (HKCU) and you need to apply it only to some computers.
To this, you simple need to set ITEM LEVEL TARGETING. Unfortunately most GPO's do not have ITEM LEVEL TARGETING as an option and that includes CACHED EXCHANGE MODE GPO. Fortunately registry changes do and so all you have to figure out is what registry change you need to make. We have the answer:
Cached Exchange Mode Outlook 2016
- Create new or edit an existing GPO
- Expand USER CONFIGURATION > PREFERENCES > WINDOWS SETTINGS > REGISTRY
- Right click and CREATE NEW
- Set SoftwarePoliciesMicrosoftOffice16.0outlookost VALUE=NoOST REG_DWORD=2
- Click the COMMON > ITEM-LEVEL TARGETING > TARGETING… (button)
- Click NEW and add the condition you want. In the screen shots below I set it any computer in the OU = KIOSKS
How To Turn Off Cached Mode In Outlook For Mac 2016 Free
Click on these screen shots to enlarge them
