OST and PST files both are Outlook data files that stores all emails, contacts, calendars, tasks, notes, journals etc.

OST files are automatically created by Microsoft Outlook software for offline data access, while you have to manually export all data to a PST file.If you have a corrupt OST file and your Outlook application crashing and facing errors due to OST file, then you need to recover all your emails and other data from damaged OST file and export to a healthy PST file.

You can easily convert corrupt OST data to PST format using vMail OST to PST Converter.This third-party tool can easily repair severe corrupted OST file and convert to PST file.

This OST Converter quickly recovers all emails with original folders and properties and export to PST without any risk of data loss.

OST files from all versions of MS Outlook.

After successful ost to pst conversion, you can import the recovered PST file in MS Office Outlook 2019 and older.Read More- Convert OST to PST

Microsoft Office introduces a Mac-specific Outlook data file called OLM with Office 2011.

OLM file works same for Outlook in Mac as PST file works in Windows Outlook to store all mailboxes items including Inbox, Outbox, Sent Items, Contacts, Calendar, Notes, etc.

You can find the OLM file in either of these two default locations:Documents\Microsoft User Data\Office 2011 Identities\Main Identity\DatabasesOrDocuments\Microsoft User Data\ MS Office 2011 Identities\Main Identity\Data-Records\MessageBut before directly navigating to one of these folders to find the OLM file, first, you will have to create it by exporting all mailboxes data in an OLM format file.STEPS:In any of the folder location mentioned above, click on File > Export to open a new Export Window.Select all items available in this folder.Here a new option appears “Delete items after exporting”.

Here chooses a destination folder to save the OLM file.Click on Save to save the OLM file.Once you created the .olm file, then you need to convert it into PST format using methods mentioned down below-Note: In this method, you have to use the IMAP server as an intermediate device between different Outlooks for Mac OS and Windows to receive remote files.Step 1: Create a Gmail account or any other IMAP email account.

(or you can continue to step 2 you have already an email account)Step 2: Configure your IMAP account in Outlook on your Mac:Open Outlook app on your Mac computer and select Tools > Accounts.Now type your E-mail address, Password, Username, and other details.Type “imap.gmail.com” as Incoming Server and “smtp.gmail.com” as Outgoing Server.Check Use SSL to connect in both options.Enter 465 in Outgoing port number and click Add Account.onSelect all the items and folders in you Mac Outlook you want to moveRight-click on the selected folder and click Move> Copy to folder.Select a destination folder of your IMAP account and choose copy.After upload process completed all your mailboxes are now in an IMAP account.

(another option – In Control Panel Select Mail>Email Accounts> New)Check Manually setup or additional server typed and click NextChoose POP/IMAP as your account type.Enter your User Information Name and E-mail.Select account type IMAP and fill your Server Information, user name, and password.In More Settings choose “my Outgoing server requires authentication” in the Outgoing Server tab.

Windows users switching to Apple macOS can easily export their local email database from MS Outlook to Apple Mail.

By converting Outlook PST file to MBOX file and then importing MBOX files folder in Apple Mail, you can access all emails and other data in your new MacBook.vMail PST to MBOX Converter is one of the best software to directly converting PST file to MBOX.

This tool exports all emails, contacts, calendar, tasks, notes, journals, etc from PST file to a new folder containing all different mailboxes with each email in a separate mbox file, contacts and other folders.

There is no risk of data loss while using this tool and you can recover and convert the unlimited size of PST data to MBOX.Read More-Export Outlook PST to Apple Mail 

IBM Lotus Notes and Microsoft Outlook are most widely used email clients by many organizations.

on the IBM Domino server and MS Outlook stores all your mailboxes and other on the Exchange Server as .PST file format.These days as Exchange Server or Office 365 by Microsoft are become more popular among users and Outlook also comes with low subscription cost and Outlook is also easy to use, so many personal users and organizations are looking to switch from Lotus Note to MS Outlook.

Here to move from IBM Notes to Outlook, you have to convert .NSF file to .PST format.

One can manually migrate from NSF file to PST file but the easiest and safest method to convert NSF to PST is using a third-party NSF to PST Converter Software.Method to convert NSF file to Outlook PSTTo convert NSF to PST file manually you need to perform to major steps:Export Lotus Notes NSF file from IBM Domino ServerImport Exported data into Microsoft Outlook.STEP 1: Export NSF file data from IBM NotesLaunch IBM Notes app and click on Open button to upload the .NSF file which needs to convert as PST file.Click on the File menu and choose Export option from the list.Here in the Export Wizard Window select a location on your computer to save the newly exported file and select save as type to Comma Separated Value (.CSV file) or Structured Text.Use an appropriate name to save the file and then click on Export button.After exportation to Comma Separated Value file or Structured Text file, two different types of the window will pop up according to your file format selection.Here select your options according to different file format window and then click OK to complete the 1ststep of NSF to PST conversion.STEP 2: Import Exported data into MS Outlook.In Microsoft Outlook program select Open & Export option from the File menu.Here click on Import/Export option to open Import and Export Wizard.Now choose Import from another program or file action to perform and click on Next button.Here to Import a file select file type as Comma Separated Values and click Next.Then Browse to find and select previously exported .csv file.

(Here you have three options to import or ignore the duplicate items: (i) Replace duplicates with items imported, (ii) Allow duplicates to be created and (iii) Do not import duplicate items.

) Choose one option according to your requirement and click Next.Next, select a destination folder to save all data after Import and click Next.After completion of Import, procedure click on Finish to finish the Import Work.After performing all these steps carefully you can successfully transfer your Lotus Notes data from .NSF file to MS Outlook.Note: Because there are chances of corruption in NSF file data during all this long procedure of migrations of NSF file data to MS Outlook, it is suggested to make a backup of your NSF file.

Convert OLM file to PST format using vMail OLM to PST Converter to move your emails and other Outlook data from Mac Computer to Windows PC.

This software exports all Outlook components (Inbox, Outbox, Drafts, Sent Items, Contacts, Calendar, Tasks, Notes, Journals) from Mac Outlook olm file to pst file for Windows Outlook and other formats like MSG, MBOX, EML, HTML, PDF, RTF, & vCard.Steps to convert OLM to PST:1.

First export your Outlook mailboxes to an OLM file in your Mac.2.

Transfer the OLM file to the Windows PC you want to move your emails.3.

Download and Install OLM to PST Converter4.

Open the software and add the OLM file.

Microsoft Outlook email client stored all data including emails, contacts, calendar, tasks, notes, etc as OST file for local backup.

If you want to move all these local Outlook data from one Windows PC to another PC then you need to convert the ost file to pst and import the PST file Outlook software.To convert ost to pst you can use vMail OST to PST Converter.

This software restores all Outlook components Inbox, Outbox, Sent Items, Drafts, Deleted Items, Contacts, Calendar & Attachments, etc from unlimited size of OST file and export to PST file and other formats MSG, MBOX, EML, EMLX, HTML, PDF, vCard & vCal.This OST file converter is capable of recover data from corrupt and encrypted OST file and export all Outlook data to Office 365 & Exchange Server.

OST to PST Converter supports OST file from MS Outlook versions 2019, 2016, 2013, 2010 & 2007.More Info-Outlook OST to PST Converter