Repairing corruption in a large PST file (>20 GB) could be challenging due to the complex data structure and thousands of mail items. Using an inadequate method or tool to repair a PST file can alter its data structure & may not repair it at all. Stellar Repair for Outlook software in this Toolkit can repair a PST file of any size & corruption levels and recover the mailbox items with 100% precision & integrity.
It is impossible to open an OST if the associated mailbox is deleted & purged from Exchange. If there is no backup of the mailbox, the only way to access the mailbox data is by opening the “inaccessible” OST. Stellar Converter for OST tool in the Toolkit can convert an inaccessible OST file into PST & extract all the mailbox items with maximum precision. It also exports the PST to Office 365 or Live Exchange.
A PST file can gain size as the number of emails, attachments, and even junk items increase with time. A large PST file takes longer to load, can freeze, crash Outlook, & get corrupted. Stellar Outlook Toolkit offers software to split, compact, merge & de-duplicate PST files based on size, date, etc. These tools can manage the PST size & composition for maximizing Outlook performance.
As per our experience while we were testing the product, its powerful engine, dealing with large corrupt files shows its tolerance and easily repairs while keeping the data intact, concludes its 100% integrity.
I would recommend this tool to all who need to repair their corrupt PST file. Thumbs Up
SCANPST corrected some but not all errors in the main Outlook file. I had purchased a license of Stellar Phoenix Outlook PST Repair. Repaired the main file, and then my email file was working again.
Stellar Phoenix Outlook PST Repair is one of those tools that makes it extremely easy to open, repair, and extract information from corrupt PST files.
Stellar Outlook Toolkit has a very intuitive user interface that anyone should be able to understand. All tools work as advertised and can be updated easily by just clicking a button.
Powerful tool, trusted by Outlook users & administrators, to repair corrupt PST file and recover mailbox data, including the deleted mail items with 100% precision. It saves the mailbox data in PST, EML, MSG, RTF, HTML, PDF, MBOX, or DBX file formats. Supports Outlook 2021, 2019, 2016, 2013, & older versions.
Advanced tool, recommended by Microsoft MVPs and administrators, to convert inaccessible OST file into PST file. It converts the OST file and extracts emails, attachments, contacts, calendars, etc. and even the deleted mail items with 100% precision. Supports Outlook 2019, 2016, 2013, & previous versions.
Unique software to split a PST file, based on different parameters such as By Date, By Size, By Email ID, and Custom Selection. The tool can search & find a PST, and also split multiple files through a batch process. It can work on the PST file of Outlook 2019, 2016, 2013, & older versions.
Tool to compact a large PST to optimize its overall size, minimize the chances of corruption, and increase the performance. It extracts the attachments and saves them in a new folder while preserving the interlinking of the PST file and attachments. Supports Outlook 2019, 2016, & older versions.
Advanced software to merge multiple PST files into a single PST, while preserving the contents and integrity of the source mailbox data. It can merge all mail items such as emails, calendars, contacts, journals, notes, tasks & more with 100% precision. Supports Outlook 2019, 2016, & earlier versions.
Powerful tool to determine and remove the duplicate items from Outlook mailbox based on a wide range of comparison criteria. It allows to compare and mark the items as flagged, expired, copy or move, and can also delete the duplicate emails. Supports Outlook 2019, 2016, 2013, & older versions.
Best software to recover the deleted items from Outlook mailbox by scanning the PST or OST file. It can recover all types of deleted items and allows the user to save the recovered items in PST, MSG, EML, PDF, HTML, or RTF file formats. Supports Outlook 2019, 2016, 2013, & earlier versions.
Tool to recover the lost or forgotten password of Outlook account. It generates a set of passwords to allow access to the Outlook account. Supports Outlook 2019, 2016, 2013, & older versions.
Stellar Repair for Outlook software in the Toolkit repairs large-sized corrupted PST files and recovers the complete mailbox items, including the deleted items. The tool reconstructs the mailbox data with 100% precision and can extract the repaired data to the account that is already configured in Outlook.
Stellar Converter for OST software in the Toolkit converts inaccessible OST file and extracts all the mailbox items, including the deleted items in PST file format. The tool can convert an OST file of any size with 100% precision. It also allows to convert 20 emails from OST to PST in free version of the software.
Stellar Repair for Outlook software in the toolkit provides advanced filter options to include or exclude specific mail items based on the email address or date range. You can also filter out mail items from the Junk and Delete Items folder while saving the mailbox items after PST repair to a new PST, MSG, EML, RTF, HTML, or PDF file format.
Stellar Repair for Outlook and Stellar Converter for OST software in the Toolkit show an enhanced preview of the complete mailbox data, including email body text and embedded hyperlinks along with calendars, journals & contacts. The Preview feature allows to select and Repair or Convert specific mail items.
Stellar Repair for Outlook and Stellar Converter for OST software in the Toolkit can directly export the mailbox data to an Office 365 or Live Exchange account, directly through the software interface. After repairing a PST or converting an OST, the user can choose Outlook 365 as the Save option to export the mailbox data to O365/Live Exchange.
PST repair and OST to PST converter tools in the software package can repair or convert multiple files through a single batch process. This adds to the convenience and efficiency of the tools, if the user needs to repair or convert Outlook data files in a bulk.
Stellar Splitter for Outlook software in the Toolkit can split a PST file, in the sizes of 1-50 GB, based on Date, Size, and Email ID, while maintaining the original integrity of the mailbox data. Likewise, Stellar Compactor for Outlook tool compresses a large PST file by removing redundant data. The tools increase the manageability of the mailbox, minimize the file corruption chances, and improve Outlook performance.
Stellar Merge Mailbox for Outlook software in the Toolkit is ideal for consolidating the mail items spread across multiple PST files. The tool allows the user to select multiple PST files and then merge the entire mailbox data or specific items into a single PST. It maintains the original integrity of the source mailbox data in the final, merged PST file.
The toolkit allows the user to save the repaired or converted mailbox data in PST MSG, EML, RTF, HTML, PDF, DBX, & MBOX formats, aside from PST. Outlook mail merge software in the toolkit can save the merged PST in a new or existing PST, Outlook profile, Office 365, or Exchange.
Stellar Outlook repair and OST to PST conversion software can save the scan results for a PST or OST in a DAT file. The user can load the DAT file in these tools to continue the repair or conversion tasks. “Save and Load Scan” allows to split the process and perform them at different times and on different machines.
Home screen of Stellar Toolkit for Outlook with options to launch the different software
Home screen of Stellar Repair for Outlook with option to browse and select the PST file
Home screen of Stellar Converter for OST with option to browse and select the OST file
Home screen of Stellar Merge Mailbox for Outlook with option to drag & drop PST files
MS Outlook Office 365, 2019, 2016, 2013, 2010, 2007
End User License Agreement
English, German, French, Italian & Spanish
Intel-compatible (x86, x64)
Windows 11, 10, 8.1, 8, 7
4 GB minimum (8 GB recommended)
250 MB for installation files
Yes, Stellar Repair for Outlook software in the Toolkit can efficiently repair corrupted PST files of very large size.
Absolutely. Stellar Converter for OST software in this Toolkit can open OST file of any size without Exchange and convert it to extract the mailbox data in PST file format.
You can merge PST files by using Stellar Merge Mailbox for Outlook software in this Toolkit. The software can merge multiple PST files while preserving the source mailbox data in original form. You can merge the PST to a new or existing PST, Outlook profile, Office 365, or Exchange by using the software.
Use Stellar Splitter for Outlook available in this Toolkit to split the PST file. It can split the PST file in sizes of 1–50 GB based on the Email ID, Date, or Size parameters.
Yes, you can choose file compression if you don’t want to split the PST. Compaction or compression works at a folder and item level to remove the unwanted information and reduce the size of PST to an optimal range. Use Stellar Compactor for Outlook software in the Toolkit to compress your large PST file. The tool can also remove the attachments if required while preserving their interlinking with the PST. It also removes the deleted and junk items.
Yes, you can recover the lost or forgotten passwords of a PST file by using Stellar Password Recovery for Outlook software available in the Toolkit.
Duplicate items in the mailbox, especially the emails with attachment, occupy unnecessary space, and increase the PST file size. An oversized PST is prone to corruption and slows down Outlook performance. Use Stellar Deduplicator for Outlook to find and remove the duplicate and redundant items from the mailbox.