{"id":1586,"date":"2025-06-12T12:12:12","date_gmt":"2025-06-12T12:12:12","guid":{"rendered":"https:\/\/www.goldytools.com\/blog\/?p=1586"},"modified":"2025-06-12T12:22:45","modified_gmt":"2025-06-12T12:22:45","slug":"method-fix-ost-file-synchronization-error","status":"publish","type":"post","link":"https:\/\/www.goldytools.com\/blog\/method-fix-ost-file-synchronization-error\/","title":{"rendered":"Method for Fix OST file Synchronization Error"},"content":{"rendered":"<p>OST file serve as backbone of Outlook .store and synchronize mailbox data with Exchange server. If Outlook offline then OST file allow user to access their data and work offline. OST file syncs automatically ,ensure that all your offline work update when once outlook connect with exchange server .In this Blog ,we explore manual method to OST file synchronization error .<br \/>\nHowever it observed that when you open outlook and attempt to sync with exchange server mailbox then it fail to sync .it result many OST synchronization error messages show. Issue appear in Sync Issue log within Delete item folder .Such synchronization problem occur when one or more corrupted email message find in OST file .these issue not fix in sync process .In this blog we explain how to fix these issue.<\/p>\n<p><strong>Common reasons for Exchange OST file Synchronization Error<\/strong><\/p>\n<p>Synchronization error occur when connect an OST file to an Exchange mailbox .These error arise for different reason depending on Outlook version include 2003, 2007, 2010, 2013, 2016, and 2019.<\/p>\n<ul>\n<li>Network connectivity issue primary cause of synchronization problems.<\/li>\n<li>Downtime of Exchange server prevent Outlook success synchronization with exchange mailbox<\/li>\n<li>Common factor include unexpected system shutdown ,large OST file, and malware or virus infection<\/li>\n<\/ul>\n<p><strong>Effective Solution to resolve OST file Sync Error<\/strong><\/p>\n<p>OST file in Outlook synchronizes with Exchange Server mailbox when stable connection with server available. Synchronization speed depending factor as data volume and Outlook version. This article explains various step to resolve synchronization issue ,including verifying user profile and check cached Exchange mode .Follow effective help us resolve error<\/p>\n<p><strong>Check OST file Synchronization<\/strong><\/p>\n<p>Ensure OST file sync correctly with Exchange server ,following these steps<\/p>\n<ul>\n<li>Right -click folder which you want to check and select<\/li>\n<li>Properties Navigate Synchronization tab If sync tab not visible ,it means Outlook profile not configure with offline folders<\/li>\n<li>Select &#8220;Statistics &#8221; option for folder and verifying following attributes\n<p>Server folder contains: [Number of items in Server]<\/p>\n<p>Offline folder contains: [Number of items in OST file]<\/p>\n<p>Last synchronized on: [Date and time ]<\/li>\n<\/ul>\n<p>If No issue with OST synchronization ,items count in both server folder and offline folder same. If item values different ,it indicate a synchronization conflict between server and offline folder .then you follow these step verify Outlook profile settings<\/p>\n<p><strong>In Outlook 2010,2007,2003<\/strong><\/p>\n<ul>\n<li>Navigate &#8220;File &#8221; menu and select &#8220;Account setting &#8221; then click &#8220;Account form &#8221; again from dropdown list.<\/li>\n<li>In &#8220;Data Files &#8221; tab ,select your \u201cMailbox \u2013 [account name]\u201d and select Change .<\/li>\n<li>Navigate &#8220;Email tab &#8221; select \u201cMailbox \u2013 [account name],\u201d and click \u201cChange.\u201d<\/li>\n<li>Ensure &#8220;Use Cached Exchange Mode &#8221; option is selected ,then click &#8220;OK&#8221;<\/li>\n<li>In &#8220;Account Settings&#8221; window, click &#8220;Close&#8221; to exit<\/li>\n<\/ul>\n<p><strong>How OST file Synchronization Works with Exchange Server<\/strong><\/p>\n<p>Now you use two methods for Synchronize offline Offline folders &#8211; Manual and Automatic .both resolve OST file synchronization issue effectively<\/p>\n<p><strong>Manual Synchronization Method<\/strong><\/p>\n<p>This method synchronize offline folder in Outlook version 2010,2013,2016and 2019<\/p>\n<ul>\n<li>Navigate &#8220;Folder List&#8221; pane and select folder for synchronize<\/li>\n<li>Navigate &#8220;Tools&#8221; menu select &#8220;Send\/Receive &#8221; then choose \u201cMicrosoft Exchange Server.\u201d .select specific folder for synchronize<\/li>\n<li>In Tools menu select &#8220;Send\/Receive All&#8221; to synchronize all folder<\/li>\n<\/ul>\n<p>Once synchronization process begin ,a status message appear on Computer screen .If your mailbox contains many items and offline folder not synchronized for long time then synchronize process take long time it may take 30-40 minute<\/p>\n<p><strong>Automatic Synchronization Method<\/strong><\/p>\n<p>with method OST file automatically sync with exchange server each time Outlook connection establish.<\/p>\n<ul>\n<li>Navigate &#8220;Tools&#8221; and select &#8220;Options&#8221;<\/li>\n<li>In Mail Setup tab, Check box Send immediately when connected.\u201d<\/li>\n<li>In Send\/Receive section, select \u201cSend\/Receive Groups.<\/li>\n<li>Check option \u201cPerform an automatic send\/receive when exiting.\u201d<\/li>\n<li> Click close<\/li>\n<\/ul>\n<p><strong>Use Professional to Resolve OST File Synchronization Error<\/strong><\/p>\n<p>If you unable to resolve OST file synchronization issue , you use Microsoft &#8216;s built -in repair tool &#8220;ScanOST.exe&#8221; .These tool designed for repair issue related to OST and PST files. If these fail to resolve issue ,you can use Goldytools <a href=\"https:\/\/www.goldytools.com\/ost-to-pst-converter.html\" rel=\"noopener\" target=\"_blank\">OST to PST converter tool<\/a> .If you have Oversized OST file  and corrupted OST file then these recovery oversized and corrupted OST file<\/li>\n","protected":false},"excerpt":{"rendered":"<p>OST file serve as backbone of Outlook .store and synchronize mailbox data with Exchange server. If Outlook offline then OST file allow user to access their data and work offline. OST file syncs automatically ,ensure that all your offline work update when once outlook connect with exchange server .In this Blog ,we explore manual method &hellip; <a href=\"https:\/\/www.goldytools.com\/blog\/method-fix-ost-file-synchronization-error\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Method for Fix OST file Synchronization Error<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Method for Fix OST file Synchronization Error - Blog - GoldyTools<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.goldytools.com\/blog\/method-fix-ost-file-synchronization-error\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Method for Fix OST file Synchronization Error - Blog - GoldyTools\" \/>\n<meta property=\"og:description\" content=\"OST file serve as backbone of Outlook .store and synchronize mailbox data with Exchange server. If Outlook offline then OST file allow user to access their data and work offline. 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