outlook download offline address book slow

In satellite and radio-frequency-based connections, the OST file works much better than the online files.Searching files and information is quite easy in offline storage (OST) files.It is useful for high latency connections.A user can make changes in the mailbox, like accessing emails and saving drafts even when the Internet is down.Apart from a primary mailbox, the Cached mode also keeps a copy of the Offline Global Address Book (GAL).Also check the Download the offline address book box. The Cached Exchange Mode Provides the Following Benefits to the User – Step 1: Click the Tools > Send/Receive > Download Address Book. often Outlook syncs your mailbox, not how often you receive mail.

While the Cached mode is enabled in Outlook, the Outlook client will check the OST file for all the information and constantly update the mail and synchronize it to open the cached file. The Cached mode has the job of keeping a local copy of the user’s Exchange mailbox stored on the hard drive in the form of an OST file.

Cached Exchange Mode is one of the two modes to connect the Outlook application with an Exchange Server.

Outlook download offline address book slow