Errors

With Excel Repair Toolbox you can fix next errors:

We found a problem with some content in 'FileName.xlsx (xls)'.Do you want us to try to recover as much as we can? If you trust the source of this workbook, Click Yes
Filename.xlsx cannot be accessed. The file may be read-only, or you may be trying to access a read-only location. Or, the server the document is stored on may not be responding.
Excel cannot complete this task with available resources
This file is not in a recognizable format.
Excel found unreadable content in "filename.xlsx".
File format not valid
Microsoft Excel has encountered a problem and needs to close.
Unexpected error
Excel unable to read file
Cannot access read-only document
The document Filename caused a serious error the last time it was opened
Cannot open .xls file
This file is not in a recognizable format.
The file is corrupt and cannot be opened
Excel error "cannot open file because the file format or file extension is not valid."
Excel cannot open the file .xlsx because the file format or file extension is not valid.
Error 1004
Error 13
Error 91
"File in Use" error opening Excel 2007 Files.
.xls file format is not valid