- #Outlook 2016 on mac very slow update#
- #Outlook 2016 on mac very slow archive#
- #Outlook 2016 on mac very slow Offline#
- #Outlook 2016 on mac very slow download#
Open the Calendar pane in Outlook, then right-click the Calendar folder.
#Outlook 2016 on mac very slow Offline#
To clear offline Calendar items, follow these steps: If you already have the Calendar in the profile, you have to clear the Offline Items after you set the registry keys and restart Outlook. However, this method can be effective if you're willing to clear offline items and resync your Calendar (instead of bulk deleting old items). These keys don't clean up older Calendar content that was already downloaded.
#Outlook 2016 on mac very slow update#
These registry keys update the sync restriction so that the Cached Mode client downloads fewer Calendar items, even for a Calendar that has multiple years of history on the server. Setting to control whether to keep all recurring items instead of filtering them Value = Choose decimal value to select how many months in the Calendar sync window such as 1, 3, 6, or 12 Defaults to 6 if not set Setting to control the number of months in the Calendar Sync window Value = 0 Inactive Value = 1 Primary Calendar folder Value = 2 All Calendar folders Defaults to 0 if not set HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Cached Mode This method applies to Version 1810 or later version of Microsoft 365 Apps for enterprise (Click-to-Run). To do this, add the following registry keys. In Sync Window Settings, adjust the number of months of data that are synced for the primary shared calendars. (For example: Any item that is not modified within one year moves to the Deleted Items folder.) Method 3 Method 2Īpply a Retention Policy on the Calendar folder to delete items from this folder.
#Outlook 2016 on mac very slow archive#
If you have enabled Online Archive Mailbox, archive items to the Online Archive Mailbox. If you have exceeded the recommended limit of 5,000 total Calendar items, use any of the following methods to reduce the number of items that you have. Optionally, if you have a Microsoft Exchange online archive, you can move items to that archive. ost) file, move items from the larger folders to separate or smaller folders in the same mailbox or data file. If you have folders that exceed the limit for the number of items in an Outlook data (.pst) file or an offline Outlook data (. Before you modify it, back up the registry for restoration in case problems occur. Serious problems might occur if you modify the registry incorrectly. The limits for Outlook 2019, Outlook 2016, Outlook 2013, and Outlook 2010 are as follows:įollow the steps in this section carefully. This problem may occur if you have folders that exceed the limit for the number of items per folder or if you have too many folders total.
This behavior occurs because it takes a long time to enumerate the folders.
#Outlook 2016 on mac very slow download#
If your Outlook profile has shared mailboxes and has caching enabled ( Download Shared Folders is selected), folder synchronization issues, performance issues, and other problems occur if the number of shared folders per mailbox exceeds 500, as described in Performance and synchronization problems when you work with folders in a secondary mailbox in Outlook.