Why excel corrupted

Only one part is expected" The above warning indicates that the custom Ribbon UI has been corrupted. Excel cannot repair this type of corruption. If Excel file corruption is detected as described above, please do NOT rush to recover the file. File recovery by Excel will result in some type of content to be deleted in most cases when the message "Excel was able to open the file by repairing or removing unreadable content" There 2 problems with Excel's recovery process: You don't know what content was deleted in detail.

Warning: Formulas could be removed and replaced by values. The workbook could still be unstable or prone to corruption, even if Excel has completed one or more repair attempts. Any type of content could be deleted formulas, shapes etc , while Excel attempts to recover a corrupted workbook. A rather more safe course of action: Click 'No' Close all other open Excel workbooks. Open the most recent backup copy of the workbook and enter any missing data or rebuild features since the last backup.

Do not overwrite the original corrupted file with the recovered version, if you have accidentally attempted recovery. Save with a new filename instead. We have received files damaged by clients beyond repair due to irresponsible file manipulation. Sometimes a huge number of styles magnitude of tens of thousands can be built over time inside workbooks used by a large number of users.

A quick-and-dirty trick to restore Excel's default styles is to delete the styles. Unless you come across the " Unrecoverable Styles Corruption " warning, this method is not normally recommended, as besides redundant unused styles, any custom styles that are in use will be deleted as well. While opening the file, Excel will detect that styles. The styles. Please don't forget to save the repaired file. A workbook may become corrupted, if there are many merged cells and the user sorts the range: Bug fixed with Excel Service Pack 1 A comma separated data validation list that exceeds characters including commas will corrupt a workbook.

Tested in Excel , , Users who are not trained to identify Excel's corruption warnings may repair a workbook inadvertently. Excel stores a summary forensic report in the application temp folder, which can be retrieved if not erased by a disc cleaner in order to verify beyond doubt that an Excel workbook has been repaired by a particular user, even if the person denies knowledge of such incident due to ignorance!

Full path of the workbook repair report file. I suggest you to try repairing the corrupt workbook and then open to check if it work as expected. Was this reply helpful? Yes No. Sorry this didn't help. Thanks for your feedback. How satisfied are you with this reply?. Thanks for your feedback, it helps us improve the site. Error Message: "We found a problem with some content in 'File Name'.

Do you want us to try to recover as much as we can? If you trust the source of this workbook, click Yes. System Changes: Only minor formatting changes and I didn't modify any of the formulas or data connections I have in the workbook. Repairs to 'File Name' : "Excel was able to open the file by repairing or removing the unreadable content".

Then it lists a couple tables but one of the tables doesn't exist in the workbook so I am unsure what it is referencing. Also if I save the repaired version and try to re-open the file I still get the same error message.

I don't know if this matters but it is stored on a SharePoint site then is opened in excel. Let me know if you want any other information. I, too, am having a file repeatedly get corrupt, even after reverting to an old version, etc. Well, there are plenty of reasons behind the Excel file corruption ; some of them are given below.

Have a look:. Well, these are some of the common reasons for Excel file corruption which later start showing error messages. Here I have listed down some very commonly encountered Excel errors that occur due to corruption along with its fixes.

These errors listing will help to verify Excel file corruption. This is a common Excel error message faced by users when Excel gets corrupted. This is a random error faced by the users and this is commonly seen in the Excel and versions. However, this is not only limited to these versions but also reported by other Excel users as well. Well, this is very frustrating as after getting the error message user was unable to open or even access the Excel file.

The Unable to Read File error is faced by the users when they try to open the corrupted Excel files. The error message clearly defines that Excel is unable to read the file content or cannot open the files due to corruption. Well, the error message Unable to Read File is a clear sign of the Excel file corruption or damages and the data stored in it becomes inaccessible.

And as I said above there are many reasons behind the Excel file corruption so, it is quite difficult to tell the exact reason for the Excel file corruption. So to fix Unable to Read File Error follow the solution given below:. However, if the repair fails, the Excel fails to restart and start showing the error message.

Well, in this case, try to install the latest service pack for Microsoft Office XP or install a supported Hotifx presented by Microsoft. Well, this is about Unable to Read File error.